Biology 29 1 invertebrate evolution
โขDownload as PPTX, PDFโข
0 likesโข503 views
Radial and bilateral symmetry, cephalization, and the presence of a coelom are important characteristics in invertebrate evolution. Radial symmetry is seen in organisms like sea anemones where body parts repeat around the center, while bilateral symmetry is a single dividing line making two halves in worms and arthropods. Cephalization concentrated sense organs and nerves at the front, allowing more sophisticated responses. A true coelom is a fluid-filled cavity lined with mesoderm tissue, found in more complex phyla.
Report
Share
Report
Share
Recommended
Invertebrate evolution
This document summarizes the evolution of invertebrates from their origins over 500 million years ago to the diversity that exists today. Key events included the emergence of bilateral symmetry, segmentation, shells and skeletons in the Cambrian period. Major invertebrate phyla evolved specialized tissues, organ systems, body plans and other adaptations, ranging from simple sponges to complex arthropods and mollusks.
Invertebrate notes
The document discusses the general characteristics and classification of invertebrate animals. It outlines that invertebrates lack backbones and covers their body structures like body cavities, skeletons, symmetry, and systems like digestion, circulation, respiration, excretion, and reproduction. The major invertebrate phyla described are porifera, cnidarians, platyhelminthes, nematodes, annelids, mollusks, echinoderms, and arthropods.
Animal Kingdom (Nonchordates)
The document provides information on the classification and characteristics of various non-chordate phyla, including porifera, cnidaria, ctenophora, platyhelminthes, aschelminthes, annelida, mollusca, arthropoda, and echinodermata. It describes their body plan, symmetry, tissue/organ level organization, digestive system, circulatory system, nervous system, reproduction, and provides examples of each phylum.
Introduction to kingdom animalia lec(1)
1) The document provides an introduction to Kingdom Animalia, which includes eukaryotic, multicellular organisms without cell walls or chloroplasts that are motile and heterotrophic.
2) Animals are classified based on their means of obtaining food, having herbivores, carnivores, or omnivores. Their body plans and symmetry can also be used for classification.
3) Kingdom Animalia is divided into invertebrates and vertebrates. Invertebrates make up 95% of species and lack backbones, while vertebrates make up 5% and have backbones.
Invertebrates
The document describes the key characteristics of the animal kingdom. It covers the basic characteristics of animals, including being eukaryotic and multicellular. It then discusses the major invertebrate and vertebrate groups, describing characteristics like internal skeletons in vertebrates. Finally, it summarizes several animal phyla like sponges, jellyfish, flatworms, roundworms, and arthropods, noting defining features of each group.
Orteza edited part 1 animal kingdom 97
This document provides information about the animal kingdom. It describes general characteristics of animals such as being multicellular, eukaryotic, and having a nervous system. It then discusses different types of symmetry found in animals and explains the two main types of skeletons: exoskeleton and endoskeleton. The document proceeds to describe several phyla within the animal kingdom including their defining characteristics. These phyla include porifera, cnidaria, platyhelminthes, nematoda, and annelida. Examples are given for types of animals that fall under each phylum.
Animal kingdom Chordates
The document describes the key characteristics of chordates and the major subphyla and classes within the phylum Chordata. It notes that chordates are defined by having a notochord, dorsal hollow nerve chord, pharyngeal gill slits, a coelomate body plan with organ systems, and a post-anal tail. It outlines the characteristics of protochordates, cyclostomes, cartilaginous fishes, bony fishes, amphibians, reptiles, birds, and mammals.
Classification of Animal Kingdom
1. The document discusses the classification of animals based on their level of organization, symmetry, germ layers, body cavity, segmentation, and presence of a notochord.
2. It describes the key characteristics of 14 animal phyla: Porifera, Coelenterata, Ctenophora, Platyhelminthes, Aschelminthes, Annelida, Arthropoda, Mollusca, Echinodermata, Hemichordata, Chordata, Urochordata, Cephalochordata, and Vertebrata.
3. The phyla are classified and compared based on features such as body plan, tissue/organ level organization, symmetry,
Recommended
Invertebrate evolution
This document summarizes the evolution of invertebrates from their origins over 500 million years ago to the diversity that exists today. Key events included the emergence of bilateral symmetry, segmentation, shells and skeletons in the Cambrian period. Major invertebrate phyla evolved specialized tissues, organ systems, body plans and other adaptations, ranging from simple sponges to complex arthropods and mollusks.
Invertebrate notes
The document discusses the general characteristics and classification of invertebrate animals. It outlines that invertebrates lack backbones and covers their body structures like body cavities, skeletons, symmetry, and systems like digestion, circulation, respiration, excretion, and reproduction. The major invertebrate phyla described are porifera, cnidarians, platyhelminthes, nematodes, annelids, mollusks, echinoderms, and arthropods.
Animal Kingdom (Nonchordates)
The document provides information on the classification and characteristics of various non-chordate phyla, including porifera, cnidaria, ctenophora, platyhelminthes, aschelminthes, annelida, mollusca, arthropoda, and echinodermata. It describes their body plan, symmetry, tissue/organ level organization, digestive system, circulatory system, nervous system, reproduction, and provides examples of each phylum.
Introduction to kingdom animalia lec(1)
1) The document provides an introduction to Kingdom Animalia, which includes eukaryotic, multicellular organisms without cell walls or chloroplasts that are motile and heterotrophic.
2) Animals are classified based on their means of obtaining food, having herbivores, carnivores, or omnivores. Their body plans and symmetry can also be used for classification.
3) Kingdom Animalia is divided into invertebrates and vertebrates. Invertebrates make up 95% of species and lack backbones, while vertebrates make up 5% and have backbones.
Invertebrates
The document describes the key characteristics of the animal kingdom. It covers the basic characteristics of animals, including being eukaryotic and multicellular. It then discusses the major invertebrate and vertebrate groups, describing characteristics like internal skeletons in vertebrates. Finally, it summarizes several animal phyla like sponges, jellyfish, flatworms, roundworms, and arthropods, noting defining features of each group.
Orteza edited part 1 animal kingdom 97
This document provides information about the animal kingdom. It describes general characteristics of animals such as being multicellular, eukaryotic, and having a nervous system. It then discusses different types of symmetry found in animals and explains the two main types of skeletons: exoskeleton and endoskeleton. The document proceeds to describe several phyla within the animal kingdom including their defining characteristics. These phyla include porifera, cnidaria, platyhelminthes, nematoda, and annelida. Examples are given for types of animals that fall under each phylum.
Animal kingdom Chordates
The document describes the key characteristics of chordates and the major subphyla and classes within the phylum Chordata. It notes that chordates are defined by having a notochord, dorsal hollow nerve chord, pharyngeal gill slits, a coelomate body plan with organ systems, and a post-anal tail. It outlines the characteristics of protochordates, cyclostomes, cartilaginous fishes, bony fishes, amphibians, reptiles, birds, and mammals.
Classification of Animal Kingdom
1. The document discusses the classification of animals based on their level of organization, symmetry, germ layers, body cavity, segmentation, and presence of a notochord.
2. It describes the key characteristics of 14 animal phyla: Porifera, Coelenterata, Ctenophora, Platyhelminthes, Aschelminthes, Annelida, Arthropoda, Mollusca, Echinodermata, Hemichordata, Chordata, Urochordata, Cephalochordata, and Vertebrata.
3. The phyla are classified and compared based on features such as body plan, tissue/organ level organization, symmetry,
Animal kingdom plus1
This document provides a summary of the classification of major animal phyla based on their key characteristics and evolutionary relationships. It discusses the levels of biological organization and describes the distinguishing features of major phyla including porifera, cnidaria, platyhelminthes, annelida, arthropoda, mollusca, echinodermata, chordata, and vertebrata. Key characteristics like symmetry, presence of tissues, body cavities, segmentation, and notochord are used to classify animals into different phyla and subphyla.
Animal kingdom
The document presents a classification of the animal kingdom. It divides animals into two groups: non-chordates and chordates. Non-chordates are further divided into 9 phyla: protozoa, porifera, coelenterata, platyhelminthes, aschelminthes, annelida, arthropoda, mollusca, and echinodermata. Chordates are divided into 5 classes: pisces, amphibia, reptilia, aves, and mammalia. Examples are provided for most groups. The classification system and examples of animals in the major groups are summarized.
26 intro to the animal kingdom
The document introduces the animal kingdom by defining animals as heterotrophic, multicellular eukaryotes that are either invertebrates without backbones or vertebrates with backbones. It describes the basic functions of feeding, respiration, circulation, excretion, response, movement, and reproduction. Key trends in animal evolution are also summarized, including cell specialization, bilateral body symmetry, cephalization, and the formation of internal body cavities.
Kingdom animalia
Kingdom Animalia is divided into vertebrates and invertebrates. It contains over 2 million species ranging from microscopic to the largest animals. Vertebrates include mammals, birds, reptiles, amphibians, and fish while invertebrates include echinoderms, arthropods, mollusks, annelids, nematodes, platyhelminths, cnidarians, and poriferans. These diverse animals vary in body covering, size, habitat, and other characteristics.
Kingdom Animalia
This document provides information about the characteristics of animals and describes several animal phyla. It begins by defining animals as eukaryotic, multicellular, heterotrophic organisms that ingest nutrients and digest food internally. It then discusses invertebrate phyla including sponges, cnidarians, molluscs, flatworms, annelids, roundworms, and arthropods, providing details on key characteristics and examples for each. It also addresses animal phylogeny and classification.
PROPERTIES AND CHARACTERISTICS OF THE ANIMAL KINGDOM
THIS PPT IS ABOUT DETAILED CHARACTERISTICS OF ORGANISMS IN THE ANIMALIA KINGDOM IN THE CLASSIFICATION OF ORGANISMS
The Animal Kingdom
The scientific name of Animals is โAnimaliaโ. The animal kingdom is also called as โ Metazoaโ or โfaunaโ.
For more Educational Needz Click here <> http://www.edubilla.com/
Animal kingdom
The document discusses three basic body plans that animals fit into: cell aggregate plan, blind sac plan, and tube within a tube plan. It also discusses types of symmetry seen in animals: asymmetrical/spherical, radial, and bilateral symmetry. Additionally, it covers the development of coeloms in animals, from diploblastic to triploblastic organisms, and whether they are acoelomates, pseudocoelomates, or coelomates. Segmentation is also mentioned as another characteristic of animal body plans.
Vertebrate notes
1. The document outlines the key characteristics and classifications of vertebrates.
2. Vertebrates are defined as having a backbone and most have two sets of appendages. They have a closed circulatory system and breathe using gills or lungs.
3. Vertebrates are divided into 7 classes - jawless fish, cartilaginous fish, bony fish, amphibians, reptiles, birds, and mammals - based on their physical traits and reproduction methods.
Animal Kingdom
This document provides an overview of the animal kingdom, describing their key characteristics and how they are classified. It discusses that animals are divided into invertebrates and vertebrates. Invertebrates make up 98% of animal species and lack backbones, while vertebrates make up the remaining 2% and include fish, amphibians, reptiles, birds and mammals which all have backbones. It then examines several animal phyla in more detail, describing their defining features, organs and organ systems.
protostomes and deuterostomes
This document describes and compares protostomes and deuterostomes. Protostomes are animals where the blastopore becomes the mouth, and have spiral cleavage, mesoderm from the 4d cell, and a trochophore larva. Deuterostomes are animals where the blastopore becomes the anus, and have radial cleavage, mesoderm from pouches off the gut, and a dipleurula larva. Sexual reproduction in protozoans involves fusion of gametes through syngamy or amphimixis, and can include conjugation during unfavorable conditions.
Animal survey 2010
The document summarizes key characteristics and evolutionary trends of the animal kingdom. It describes six major characteristics of animals including being multicellular, heterotrophs, diploid, motile, having embryonic development, and lacking cell walls. It then discusses major evolutionary trends including increasing tissue complexity, symmetry, presence of gut/body cavities, and whether organisms are protostomes or deuterostomes. The document concludes by classifying the major phyla in the kingdom Animalia.
01 kingdom animalia
This document provides an overview of the animal kingdom by discussing key characteristics of animals and describing their classification. It outlines that animals are eukaryotic, motile, heterotrophic organisms without cell walls. It then discusses the importance of animals and the phylogeny of the kingdom, showing animals evolved from colonial flagellated protists. It proceeds to describe the classification of animals based on body symmetry, germ layers, and presence of a coelom. Major animal groups are then outlined, including invertebrates like sponges, cnidarians, protostomes and deuterostomes like echinoderms. Finally, it focuses on the phylum Chordata, describing the success of vertebr
Animal Animal kingdom
This document provides an overview of different animal phyla, including invertebrates like sponges, cnidarians, flatworms, roundworms, segmented worms, mollusks, echinoderms, arthropods and vertebrates like fish, amphibians, reptiles, birds and mammals. It describes key characteristics of each group such as their anatomy, habitat, examples of types of animals within each phylum, and some ecological information.
Kingdom animalia
The document describes the kingdom Animalia and its characteristics. It is divided into two classifications - invertebrates without backbones, and vertebrates with backbones. It details the 9 phyla of invertebrates and 1 phylum of vertebrates. For each phylum, it provides examples and key distinguishing characteristics such as body structure, organs, and feeding methods. The major classes of vertebrates are also outlined, focusing on distinguishing anatomical features.
Introduction to non chordates
This document provides an introduction to non-chordates, also known as invertebrates. It discusses that invertebrates lack a backbone or spinal column and make up 95% of all animal species. Invertebrates are further divided into chordates and non-chordates based on the presence or absence of a notochord. Animals lacking a notochord are called non-chordates, while those also lacking a vertebral column are called invertebrates. The document then covers the 30 invertebrate phyla, their defining characteristics, examples of major and minor phyla, differences between lower and higher invertebrates, and general characteristics of invertebrates such as habitat, size,
animal kingdom
This document provides a classification of the animal kingdom by listing the 9 main phyla: Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, and Chordata. Each phylum is briefly described in terms of key characteristics like body structure, habitat, symmetry, and example organisms. The phylum Chordata is further divided into Protochordata and Vertebrata, with Vertebrata classified into 5 subphyla: Pisces, Amphibia, Reptilia, Aves, and Mammalia. Examples are provided for most taxonomic groups.
Animal kingdom
This document discusses the classification of animals in the kingdom Animalia. It covers the major animal phyla from Porifera to Chordata, including key characteristics used for classification such as symmetry, germ layers, body systems, and examples of each phylum. The major vertebrate groups are also summarized, from Cyclostomata to Mammalia. Classification is primarily based on levels of organization, body plan complexity, and characteristics of major organ systems.
Animal kingdom for + 1 bio part I
This document provides information on the classification of animals. It discusses the different levels of organization in animals from the cellular level to the organ system level. It describes key characteristics used in classification including symmetry, presence of coelom, and segmentation. The major animal phyla are introduced, including key distinguishing features and examples. Classification aims to systematically organize the over one million described animal species based on their fundamental biological characteristics.
The animal kingdom
The animal kingdom is divided into 9 groups called phyla. These include sponges, cnidarians like jellyfish and corals, flatworms, roundworms, segmented worms, arthropods like insects and crustaceans, mollusks like clams and octopuses, echinoderms like starfish, and chordates which include vertebrates like fish, amphibians, reptiles, birds, and mammals. Chordates are further divided into 7 classes based on characteristics like presence of a backbone, type of skeleton or reproduction methods.
Biol 11 Lesson 1 Feb 1 - Ch 26 Introduction to the Animal Kingdom
Biology 11
Animal Biology unit - Invertebrates
Miller, K.R. & Levine, J. (2000). Biology (5th ed.). New Jersey: Prentice Hall.
Ch. 26: Sponges, Cnidarians, and Unsegmented Worms
pp. 554-560.
Zoology kingdom animalia
This document provides an overview of the animal kingdom. It discusses that animals are eukaryotic, heterotrophic and multicellular organisms that lack cell walls. It notes that 95% are invertebrates without backbones, while 5% are vertebrates with backbones. The seven essential functions of animals are then outlined as feeding, respiration, circulation, excretion, response, movement and reproduction. Trends in animal evolution discussed include cell specialization, early development through germ layers, body symmetry and cephalization. The major phyla of animals are then briefly described.
More Related Content
What's hot
Animal kingdom plus1
This document provides a summary of the classification of major animal phyla based on their key characteristics and evolutionary relationships. It discusses the levels of biological organization and describes the distinguishing features of major phyla including porifera, cnidaria, platyhelminthes, annelida, arthropoda, mollusca, echinodermata, chordata, and vertebrata. Key characteristics like symmetry, presence of tissues, body cavities, segmentation, and notochord are used to classify animals into different phyla and subphyla.
Animal kingdom
The document presents a classification of the animal kingdom. It divides animals into two groups: non-chordates and chordates. Non-chordates are further divided into 9 phyla: protozoa, porifera, coelenterata, platyhelminthes, aschelminthes, annelida, arthropoda, mollusca, and echinodermata. Chordates are divided into 5 classes: pisces, amphibia, reptilia, aves, and mammalia. Examples are provided for most groups. The classification system and examples of animals in the major groups are summarized.
26 intro to the animal kingdom
The document introduces the animal kingdom by defining animals as heterotrophic, multicellular eukaryotes that are either invertebrates without backbones or vertebrates with backbones. It describes the basic functions of feeding, respiration, circulation, excretion, response, movement, and reproduction. Key trends in animal evolution are also summarized, including cell specialization, bilateral body symmetry, cephalization, and the formation of internal body cavities.
Kingdom animalia
Kingdom Animalia is divided into vertebrates and invertebrates. It contains over 2 million species ranging from microscopic to the largest animals. Vertebrates include mammals, birds, reptiles, amphibians, and fish while invertebrates include echinoderms, arthropods, mollusks, annelids, nematodes, platyhelminths, cnidarians, and poriferans. These diverse animals vary in body covering, size, habitat, and other characteristics.
Kingdom Animalia
This document provides information about the characteristics of animals and describes several animal phyla. It begins by defining animals as eukaryotic, multicellular, heterotrophic organisms that ingest nutrients and digest food internally. It then discusses invertebrate phyla including sponges, cnidarians, molluscs, flatworms, annelids, roundworms, and arthropods, providing details on key characteristics and examples for each. It also addresses animal phylogeny and classification.
PROPERTIES AND CHARACTERISTICS OF THE ANIMAL KINGDOM
THIS PPT IS ABOUT DETAILED CHARACTERISTICS OF ORGANISMS IN THE ANIMALIA KINGDOM IN THE CLASSIFICATION OF ORGANISMS
The Animal Kingdom
The scientific name of Animals is โAnimaliaโ. The animal kingdom is also called as โ Metazoaโ or โfaunaโ.
For more Educational Needz Click here <> http://www.edubilla.com/
Animal kingdom
The document discusses three basic body plans that animals fit into: cell aggregate plan, blind sac plan, and tube within a tube plan. It also discusses types of symmetry seen in animals: asymmetrical/spherical, radial, and bilateral symmetry. Additionally, it covers the development of coeloms in animals, from diploblastic to triploblastic organisms, and whether they are acoelomates, pseudocoelomates, or coelomates. Segmentation is also mentioned as another characteristic of animal body plans.
Vertebrate notes
1. The document outlines the key characteristics and classifications of vertebrates.
2. Vertebrates are defined as having a backbone and most have two sets of appendages. They have a closed circulatory system and breathe using gills or lungs.
3. Vertebrates are divided into 7 classes - jawless fish, cartilaginous fish, bony fish, amphibians, reptiles, birds, and mammals - based on their physical traits and reproduction methods.
Animal Kingdom
This document provides an overview of the animal kingdom, describing their key characteristics and how they are classified. It discusses that animals are divided into invertebrates and vertebrates. Invertebrates make up 98% of animal species and lack backbones, while vertebrates make up the remaining 2% and include fish, amphibians, reptiles, birds and mammals which all have backbones. It then examines several animal phyla in more detail, describing their defining features, organs and organ systems.
protostomes and deuterostomes
This document describes and compares protostomes and deuterostomes. Protostomes are animals where the blastopore becomes the mouth, and have spiral cleavage, mesoderm from the 4d cell, and a trochophore larva. Deuterostomes are animals where the blastopore becomes the anus, and have radial cleavage, mesoderm from pouches off the gut, and a dipleurula larva. Sexual reproduction in protozoans involves fusion of gametes through syngamy or amphimixis, and can include conjugation during unfavorable conditions.
Animal survey 2010
The document summarizes key characteristics and evolutionary trends of the animal kingdom. It describes six major characteristics of animals including being multicellular, heterotrophs, diploid, motile, having embryonic development, and lacking cell walls. It then discusses major evolutionary trends including increasing tissue complexity, symmetry, presence of gut/body cavities, and whether organisms are protostomes or deuterostomes. The document concludes by classifying the major phyla in the kingdom Animalia.
01 kingdom animalia
This document provides an overview of the animal kingdom by discussing key characteristics of animals and describing their classification. It outlines that animals are eukaryotic, motile, heterotrophic organisms without cell walls. It then discusses the importance of animals and the phylogeny of the kingdom, showing animals evolved from colonial flagellated protists. It proceeds to describe the classification of animals based on body symmetry, germ layers, and presence of a coelom. Major animal groups are then outlined, including invertebrates like sponges, cnidarians, protostomes and deuterostomes like echinoderms. Finally, it focuses on the phylum Chordata, describing the success of vertebr
Animal Animal kingdom
This document provides an overview of different animal phyla, including invertebrates like sponges, cnidarians, flatworms, roundworms, segmented worms, mollusks, echinoderms, arthropods and vertebrates like fish, amphibians, reptiles, birds and mammals. It describes key characteristics of each group such as their anatomy, habitat, examples of types of animals within each phylum, and some ecological information.
Kingdom animalia
The document describes the kingdom Animalia and its characteristics. It is divided into two classifications - invertebrates without backbones, and vertebrates with backbones. It details the 9 phyla of invertebrates and 1 phylum of vertebrates. For each phylum, it provides examples and key distinguishing characteristics such as body structure, organs, and feeding methods. The major classes of vertebrates are also outlined, focusing on distinguishing anatomical features.
Introduction to non chordates
This document provides an introduction to non-chordates, also known as invertebrates. It discusses that invertebrates lack a backbone or spinal column and make up 95% of all animal species. Invertebrates are further divided into chordates and non-chordates based on the presence or absence of a notochord. Animals lacking a notochord are called non-chordates, while those also lacking a vertebral column are called invertebrates. The document then covers the 30 invertebrate phyla, their defining characteristics, examples of major and minor phyla, differences between lower and higher invertebrates, and general characteristics of invertebrates such as habitat, size,
animal kingdom
This document provides a classification of the animal kingdom by listing the 9 main phyla: Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, and Chordata. Each phylum is briefly described in terms of key characteristics like body structure, habitat, symmetry, and example organisms. The phylum Chordata is further divided into Protochordata and Vertebrata, with Vertebrata classified into 5 subphyla: Pisces, Amphibia, Reptilia, Aves, and Mammalia. Examples are provided for most taxonomic groups.
Animal kingdom
This document discusses the classification of animals in the kingdom Animalia. It covers the major animal phyla from Porifera to Chordata, including key characteristics used for classification such as symmetry, germ layers, body systems, and examples of each phylum. The major vertebrate groups are also summarized, from Cyclostomata to Mammalia. Classification is primarily based on levels of organization, body plan complexity, and characteristics of major organ systems.
Animal kingdom for + 1 bio part I
This document provides information on the classification of animals. It discusses the different levels of organization in animals from the cellular level to the organ system level. It describes key characteristics used in classification including symmetry, presence of coelom, and segmentation. The major animal phyla are introduced, including key distinguishing features and examples. Classification aims to systematically organize the over one million described animal species based on their fundamental biological characteristics.
The animal kingdom
The animal kingdom is divided into 9 groups called phyla. These include sponges, cnidarians like jellyfish and corals, flatworms, roundworms, segmented worms, arthropods like insects and crustaceans, mollusks like clams and octopuses, echinoderms like starfish, and chordates which include vertebrates like fish, amphibians, reptiles, birds, and mammals. Chordates are further divided into 7 classes based on characteristics like presence of a backbone, type of skeleton or reproduction methods.
What's hot (20)
PROPERTIES AND CHARACTERISTICS OF THE ANIMAL KINGDOM
PROPERTIES AND CHARACTERISTICS OF THE ANIMAL KINGDOM
ย
Similar to Biology 29 1 invertebrate evolution
Biol 11 Lesson 1 Feb 1 - Ch 26 Introduction to the Animal Kingdom
Biology 11
Animal Biology unit - Invertebrates
Miller, K.R. & Levine, J. (2000). Biology (5th ed.). New Jersey: Prentice Hall.
Ch. 26: Sponges, Cnidarians, and Unsegmented Worms
pp. 554-560.
Zoology kingdom animalia
This document provides an overview of the animal kingdom. It discusses that animals are eukaryotic, heterotrophic and multicellular organisms that lack cell walls. It notes that 95% are invertebrates without backbones, while 5% are vertebrates with backbones. The seven essential functions of animals are then outlined as feeding, respiration, circulation, excretion, response, movement and reproduction. Trends in animal evolution discussed include cell specialization, early development through germ layers, body symmetry and cephalization. The major phyla of animals are then briefly described.
Anatomy
This document discusses the classification of metazoan animals based on their anatomy and embryonic development. It describes how animals can be divided into three main groups: acoelomates without a body cavity, pseudocoelomates with only remnants of a blastocoel cavity, and coelomates with a true body cavity called a coelom. Within coelomates, animals are further divided into protostomes and deuterostomes based on differences in their early embryonic development. The classification systems discussed provide insights into evolutionary relationships among metazoan phyla.
Class11 Biology Animal Kingdom Session 6
This document discusses the classification of animals in the kingdom Animalia. It covers the key characteristics used for classification, including level of organization, symmetry, germ layer, coelom, segmentation, and notochord. It provides examples of different phyla to illustrate each characteristic, such as sponges exhibiting a cellular level of organization and echinoderms and chordates exhibiting an organ system level. The basis of classification establishes a framework for understanding the diversity of life in the animal kingdom.
kingdom animalia & phylum porifera
This document defines key terms related to embryonic development and animal classification. It describes the three germ layers - ectoderm, mesoderm and endoderm - and how they develop during gastrulation. It also defines symmetry types and lists characteristics used to classify animals, including tissue organization, symmetry, gastrulation, and body cavities. Finally, it provides an overview of key animal phyla that will be studied, including their defining features.
Biology - Chp 26 - Animals - PowerPoint
The document summarizes key aspects of the animal kingdom. It describes the main characteristics of animals, including being multicellular, eukaryotic heterotrophs without cell walls. It outlines the two main groups of animals - invertebrates and vertebrates. It then discusses the main functions of animals for survival and some trends in animal evolution like cell specialization, body symmetry, and cephalization. The major animal phyla are also introduced.
Kingdom Animalia
The document discusses key characteristics of animals in the kingdom Animalia. It notes that animals are multicellular, mitochondrial heterotrophs that ingest and digest food internally. There are estimated to be around 9-10 million animal species on Earth across 36 phyla. Most animals exhibit bilateral symmetry and sexual reproduction, and range widely in size and habitat. Advanced animal body plans evolved from simpler multicellular to bilaterally symmetrical to coelomate forms with specialized tissues and organs.
King animalia
This document provides an introduction to the characteristics and embryonic development of animals in the kingdom Animalia. It describes that animals are heterotrophic, multicellular, and capable of movement. It then discusses the basic embryonic stages of zygote, embryo, blastula, and gastrula. The three germ layers - ectoderm, mesoderm, and endoderm - are described along with the organ systems they give rise to. Different animal body plans are presented based on their embryonic development and degree of symmetry.
Kingdom animalia
This document provides an introduction to the characteristics of animals in the kingdom Animalia. It discusses their heterotrophic and multicellular nature, as well as their ability to move. It also describes the basic embryonic stages of zygote, embryo, blastula and gastrula. The three germ layers - ectoderm, mesoderm and endoderm - are identified along with the organ systems they give rise to. Diagrams of body plans for protostomes and deuterostomes are included. Finally, the document discusses symmetry in animals from asymmetry to radial and bilateral symmetry.
Animals
The document provides an overview of the key characteristics of the animal kingdom. It discusses how animals originated from the sea and are classified into phyla. The key characteristics of animals include being multicellular and heterotrophic, having specialized tissues, and reproducing sexually. The document describes the basic body plans of animals, including their germ layers, body cavities, and patterns of symmetry. It distinguishes vertebrates from invertebrates and covers the major animal groups.
Animal kingdom by BNP
Animals are multicellular and heterotrophic organisms without cell wall and chlorophyll. The method of arranging organism into groups on the basis of similarities and differences is called classification. Taxonomy is the science of classification which makes the study of wide variety of organisms easier.
Echinoderms: Marvels of the Ocean Presentation. pptx
Echinodermata constitutes amazing species found in the oceans of this world. This presentation gives in detail the basic characteristics of echinoderms.
Read and Have Fun!
3. patterns of organization
This document discusses the evolution of body plans in animals and protists. It describes the major types of symmetry seen in nature including radial, bilateral, and asymmetry. It then discusses increasing complexity in body organization from unicellular to multicellular organisms with tissues and organ systems. The major body cavities seen in triploblastic animals are also summarized.
Animal Biology.pdf
This document provides an overview of animal biology, covering topics like animal form and function, nutrition and transport, and feedback mechanisms. It begins by defining the subtopics to be covered in Module 1B, which are animal form and function, nutrition and transport, and feedback mechanisms in animals. The next sections provide details on animal anatomy, morphology, physiology, diversity of forms, and nervous and immune functions. It describes the body plans and characteristics of different animal phyla such as porifera, cnidaria, platyhelminths, nematodes, annelids, molluscs, echinoderms, arthropods, and chordates. Reproduction strategies like asexual and sexual reproduction are also summarized.
26234217-1.pptx
This document provides an overview of veterinary gross anatomy. It defines anatomy as the study of animal form and structure. The main branches of anatomy are described, including gross (macroscopic) anatomy, developmental anatomy, microscopic anatomy, applied anatomy, comparative anatomy, and special anatomy. Key terms used in anatomy like planes, directions, and descriptive terms are defined. The basic structure and functions of the animal cell are then outlined, including the plasma membrane, cytoplasm, organelles, and nucleus.
Invertebrates (Plant Kingdom) complete
1) The document discusses the classification of animals based on key distinguishing features like their digestive system, respiratory system, circulatory system, reproduction type, and fertilization and development features.
2) It provides an overview of 12 animal phyla - Porifera, Coelenterata, Ctenophora, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, Hemichordata, Chordata. For each it summarizes their key distinguishing characteristics.
3) It also discusses broader classification features like symmetry, body cavity, segmentation, and notochord that are used to classify animals.
Animal Kingdom phylum Detail
This document provides information on the classification of animals based on key characteristics like their digestive system, respiratory system, circulatory system, reproduction type, and fertilization and development features. It discusses 14 animal phyla - Porifera, Coelenterata, Ctenophora, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, Hemichordata, Chordata, and provides details on their defining features. The document also covers topics like symmetry in animals, body cavities, segmentation, and notochord.
Animal APBio
- The document discusses the evolution and classification of the animal kingdom. It describes key characteristics of different animal phyla from sponges to chordates.
- Major evolutionary milestones include the development of tissues, body symmetry, and protostome vs deuterostome development. These features mark major branches in the animal evolutionary tree.
- The phyla are classified based on characteristics like body plan, organ systems, body cavity type, and embryological development. Major phyla include porifera, cnidaria, platyhelminthes, nematoda, annelida, arthropoda, mollusca, echinodermata, and chordata.
BiologyB_Invertabrates_upload.pptx
This document discusses the evolution of body plans in invertebrates. The key developments were the evolution of tissues, followed by different types of symmetry - asymmetry, radial symmetry, and bilateral symmetry. Animals then evolved different types of body cavities - acoelomates lack a body cavity, while pseudocoelomates and coelomates have a partially or fully lined body cavity, respectively. Coelomates are further divided into protostomes, which form their mouth first, and deuterostomes, which form their anus first. Overall the document traces the major transitions in early animal evolution from single-celled to multi-cellular organisms with increasingly complex body structures.
11u bio div 08
The document summarizes key characteristics of the Kingdom Animalia. To be an animal, an organism must be multicellular, heterotrophic, reproduce sexually, lack cell walls, be motile during some stage of life, have rapid responses to stimuli, and contain two unique tissues: nervous and muscle tissue. Over time, animals evolved increasing complexity in their cellular organization, body plans, degree of centralization, body cavities, segmentation, and digestive systems. The evolutionary origin of animals is believed to have started from colonial protists in the sea that underwent cell specialization, leading to the first multicellular organisms.
Similar to Biology 29 1 invertebrate evolution (20)
Biol 11 Lesson 1 Feb 1 - Ch 26 Introduction to the Animal Kingdom
Biol 11 Lesson 1 Feb 1 - Ch 26 Introduction to the Animal Kingdom
ย
Echinoderms: Marvels of the Ocean Presentation. pptx
Echinoderms: Marvels of the Ocean Presentation. pptx
ย
More from Tamara
Biology 26.1
This document defines key terms related to the animal kingdom, including invertebrates, vertebrates, feedback inhibition, blastula, protostomes, deuterostomes, radial symmetry, bilateral symmetry, and more. It describes animals as multicellular, eukaryotic heterotrophs and outlines their essential functions of feeding, respiration, circulation, excretion, response, movement, and reproduction. Complex animals are noted to have high cell specialization, internal organization, bilateral symmetry, a head with sense organs, and a body cavity.
Biology 26.2
Sponges contain specialized cells like choanocytes that use flagella to move water through the sponge for feeding, respiration, circulation, and excretion. They have structures like spicules made of calcium carbonate or silica that form their skeleton, and archaeocytes that produce these spicules. Sponges reproduce through internal fertilization and larval stages, and some can form protective gemmules during unfavorable conditions.
Biology 22.5
Angiosperms are flowering plants that reproduce sexually through flowers. Flowers contain ovaries that surround and protect seeds. Angiosperms are divided into monocots and dicots based on whether their seeds have one cotyledon (monocot) or two cotyledons (dicot). Flowering plants can also be annuals, biennials, or perennials depending on whether their life cycle is one, two, or more than two years.
Earth science 13.1
The document discusses Precambrian time from 4.56 billion years ago until the Cambrian period over 4 billion years later. It describes shields as flat expanses of ancient metamorphic rock within continental interiors. Stromatolites are layered mounds formed from algae trapping sediment and calcium carbonate. Earth's original atmosphere lacked oxygen but primitive organisms evolved photosynthesis which began releasing oxygen into the atmosphere around 2.5 billion years ago.
Earth science 13.4
The Cenozoic Era saw the rise of mammals as the dominant land animal, replacing reptiles. Flowering plants known as angiosperms also became the dominant land plant over gymnosperms. Major geological events like mountain building, volcanism, and earthquakes occurred in western regions due to plate tectonics during this era. Mammals were better adapted than reptiles for more active lifestyles through bearing live young and maintaining steady body temperatures.
Earth science 13.2
The Paleozoic Era saw an explosion of life, as the continents of Gondwana and Laurasia formed most of the southern and northern portions of the supercontinent Pangea. During the Cambrian, Ordovician, and Silurian periods, life was restricted to the seas surrounding Gondwana, which contained the continents of present-day South America, Africa, Australia, Antarctica, and parts of Asia. By the end of the Paleozoic Era, around 400 million years ago, all continents had fused into the single landmass of Pangea, and plants first began moving from waterside habitats onto land.
Earth science 13.3
The Mesozoic era was the Age of Reptiles, where reptiles like dinosaurs quickly became the dominant land animals due to developing shelled eggs. Gymnosperms also dominated as the prominent plant during this time. A major geological event was the breakup of the supercontinent Pangea. Many reptile groups went extinct at the end of the Mesozoic era.
Earth science 9.1
Continental drift is the hypothesis that the continents were once joined together and have since drifted apart. Originally proposed by Wegener, it suggests the continents were part of a supercontinent called Pangaea approximately 200 million years ago that has since broken apart, moving the landmasses into their current positions. Fossil and rock evidence support this idea, including matching fossil organisms and mountain ranges found on separate continents today that indicate the continents were once joined.
Earth science 8.2
This document discusses seismograms and the different types of seismic waves that are recorded, including P waves, S waves, and surface waves. It explains that seismograms amplify and electronically record ground motion from earthquakes, allowing scientists to determine the epicenter location using travel time graphs from multiple seismographs. The document also covers historical intensity and magnitude scales used to describe earthquake size and introduces moment magnitude as the most widely used scale today because it estimates the energy released.
Biology 28 2 groups of arthropods
This document defines and describes key anatomical terms used to classify groups of arthropods. It discusses the cephalothorax, thorax, and abdomen found in crustaceans, as well as specific structures like the carapace, mandibles, chelipeds, swimmerets, chelicerae, pedipalps, and spinnerets. It concludes with three key concepts: arthropods are classified by body segments and appendages, especially mouthparts; crustaceans typically have two antennae, two or three body sections, and mandibles; and chelicerates have chelicerae mouthparts and two body sections, with nearly all having four pairs of walking legs.
Biology 2.4
Chemical reactions involve reactants being converted into products through breaking and forming chemical bonds, requiring a minimum amount of energy called the activation energy. Catalysts like enzymes speed up reactions by lowering this activation energy, with enzymes being protein catalysts that facilitate substrate reactions within cells.
Earth science 12.3
This document discusses radiometric dating and how it is used to determine the absolute ages of rocks and minerals. It explains key concepts such as radioactivity, half-life, and how comparing ratios of radioactive isotopes like carbon-14 and carbon-12 can be used to calculate radiocarbon dates for samples. Radiometric dating relies on the fact that radioactive isotopes decay at a constant rate and comparing the amounts of parent and daughter isotopes allows the age of a sample to be estimated.
Earth science 9.1
Continental drift is the hypothesis that the continents were once joined together and have since drifted apart. Originally proposed by Wegener, it suggests the continents were part of a supercontinent called Pangaea approximately 200 million years ago that has since broken apart, moving the landmasses into their current positions. Fossil and rock evidence support this idea, including matching fossil organisms and mountain ranges found on separate continents today that indicate the continents were once joined.
Earth science 7.3
Wind shapes landscapes through processes like deflation, desert pavement formation, and loess and dune deposition. Deflation is the lifting and removal of loose material by wind. Desert pavement is a layer of coarse pebbles created when wind removes finer material. Loess deposits are windblown silt deposits that form blanket-like layers, while dunes are ridges of wind-deposited sand that can vary in shape depending on wind and vegetation factors.
Earth science 7.2
Much of the weathered debris in deserts comes from mechanical weathering like alluvial fans formed where stream slopes abruptly decrease. While chemical weathering is less common, over long periods clays and thin soils can form. Desert streams are ephemeral, only flowing after rain, and often drying up before reaching oceans due to evaporation and soil infiltration. Most desert erosion comes from running water, though wind also erodes deserts, water does the most erosional work.
Earth science 7.1
Glaciers are large masses of ice that originate on land from compacted snow and move due to gravity. During an ice age, large ice sheets form on continents and flow outward, carving U-shaped valleys and depositing unsorted sediment called till. Valley glaciers are smaller glaciers confined to mountain valleys that flow due to plastic deformation and basal sliding between the ice and bedrock.
Earth science 6.3
Groundwater exists below the surface in the saturated zone where all spaces between rock and sediment are filled with water. The water table marks the top of this zone, and groundwater moves slowly through porous and permeable materials. Springs form where the water table intersects the surface, and overuse or contamination can threaten groundwater supplies in some areas. Karst regions have irregular terrain with sinkholes caused by erosion of soluble rock by groundwater in caverns below the water table.
Earth science 6.2
This document defines key terms related to streams and their processes, including bed load, capacity, alluvium, delta, natural levee, floodplain, flood, drainage basin, divide. It also describes concepts such as how streams erode and deposit sediment according to flow velocities, and how flooding occurs and can be mitigated. The overall work of streams is to shape the landscape through erosion, transportation, and deposition of sediment within drainage basins.
Earth science 6.1
The document discusses key concepts about running water and the water cycle. It defines terms like infiltration, transpiration, gradient, stream channel, discharge, tributary, base level, and meander. It explains that water constantly circulates among the oceans, atmosphere, geosphere, and biosphere in the water cycle. Balance in the cycle means annual precipitation equals evaporation globally. A stream's ability to erode and transport materials depends on its velocity, while gradient decreases and discharge increases from headwaters to the mouth.
More from Tamara (20)
Recently uploaded
THE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...
The recent surge in pro-Palestine student activism has prompted significant responses from universities, ranging from negotiations and divestment commitments to increased transparency about investments in companies supporting the war on Gaza. This activism has led to the cessation of student encampments but also highlighted the substantial sacrifices made by students, including academic disruptions and personal risks. The primary drivers of these protests are poor university administration, lack of transparency, and inadequate communication between officials and students. This study examines the profound emotional, psychological, and professional impacts on students engaged in pro-Palestine protests, focusing on Generation Z's (Gen-Z) activism dynamics. This paper explores the significant sacrifices made by these students and even the professors supporting the pro-Palestine movement, with a focus on recent global movements. Through an in-depth analysis of printed and electronic media, the study examines the impacts of these sacrifices on the academic and personal lives of those involved. The paper highlights examples from various universities, demonstrating student activism's long-term and short-term effects, including disciplinary actions, social backlash, and career implications. The researchers also explore the broader implications of student sacrifices. The findings reveal that these sacrifices are driven by a profound commitment to justice and human rights, and are influenced by the increasing availability of information, peer interactions, and personal convictions. The study also discusses the broader implications of this activism, comparing it to historical precedents and assessing its potential to influence policy and public opinion. The emotional and psychological toll on student activists is significant, but their sense of purpose and community support mitigates some of these challenges. However, the researchers call for acknowledging the broader Impact of these sacrifices on the future global movement of FreePalestine.
Level 3 NCEA - NZ: A Nation In the Making 1872 - 1900 SML.ppt
The History of NZ 1870-1900.
Making of a Nation.
From the NZ Wars to Liberals,
Richard Seddon, George Grey,
Social Laboratory, New Zealand,
Confiscations, Kotahitanga, Kingitanga, Parliament, Suffrage, Repudiation, Economic Change, Agriculture, Gold Mining, Timber, Flax, Sheep, Dairying,
Gender and Mental Health - Counselling and Family Therapy Applications and In...
Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!ย
Elevate Your Nonprofit's Online Presence_ A Guide to Effective SEO Strategies...
Whether you're new to SEO or looking to refine your existing strategies, this webinar will provide you with actionable insights and practical tips to elevate your nonprofit's online presence.
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Aberdeen
Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptx
Ivรกn Bornacelly, Policy Analyst at the OECD Centre for Skills, OECD, presents at the webinar 'Tackling job market gaps with a skills-first approach' on 12 June 2024
Andreas Schleicher presents PISA 2022 Volume III - Creative Thinking - 18 Jun...
Andreas Schleicher, Director of Education and Skills at the OECD presents at the launch of PISA 2022 Volume III - Creative Minds, Creative Schools on 18 June 2024.
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
(๐๐๐ ๐๐๐) (๐๐๐ฌ๐ฌ๐จ๐ง ๐)-๐๐ซ๐๐ฅ๐ข๐ฆ๐ฌ
๐๐ข๐ฌ๐๐ฎ๐ฌ๐ฌ ๐ญ๐ก๐ ๐๐๐ ๐๐ฎ๐ซ๐ซ๐ข๐๐ฎ๐ฅ๐ฎ๐ฆ ๐ข๐ง ๐ญ๐ก๐ ๐๐ก๐ข๐ฅ๐ข๐ฉ๐ฉ๐ข๐ง๐๐ฌ:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
๐๐ฑ๐ฉ๐ฅ๐๐ข๐ง ๐ญ๐ก๐ ๐๐๐ญ๐ฎ๐ซ๐ ๐๐ง๐ ๐๐๐จ๐ฉ๐ ๐จ๐ ๐๐ง ๐๐ง๐ญ๐ซ๐๐ฉ๐ซ๐๐ง๐๐ฎ๐ซ:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"National Information Standards Organization (NISO)
This presentation was provided by Racquel Jemison, Ph.D., Christina MacLaughlin, Ph.D., and Paulomi Majumder. Ph.D., all of the American Chemical Society, for the second session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session Two: 'Expanding Pathways to Publishing Careers,' was held June 13, 2024.ย
Bossa Nโ Roll Records by Ismael Vazquez.
Bossa N Roll Records presentation by Izzy Vazquez for Music Retail and Distribution class at Full Sail University
BรI TแบฌP Dแบ Y THรM TIแบพNG ANH LแปP 7 Cแบข NฤM FRIENDS PLUS SรCH CHรN TRแปI SรNG Tแบ O ...
BรI TแบฌP Dแบ Y THรM TIแบพNG ANH LแปP 7 Cแบข NฤM FRIENDS PLUS SรCH CHรN TRแปI SรNG Tแบ O ...Nguyen Thanh Tu Collection
https://app.box.com/s/qhtvq32h4ybf9t49ku85x0n3xl4jhr15ย
ู
ุตุญู ุงููุฑุงุกุงุช ุงูุนุดุฑ ุฃุนุฏ ุฃุญุฑู ุงูุฎูุงู ุณู
ูุฑ ุจุณูููู.pdf
ู
ุตุญู ุงููุฑุงุกุงุช ุงูุนุดุฑ ุฃุนุฏ ุฃุญุฑู ุงูุฎูุงู ุณู
ูุฑ ุจุณูููู.pdfุณู
ูุฑ ุจุณูููู
ู
ุตุญู ุฃุญุฑู ุงูุฎูุงู ูููุฑุงุก ุงูุนุดุฑุฉุฃุนุฏ ุฃุญุฑู ุงูุฎูุงู ุจุงูุชูููู ูุตูุง ุณู
ูุฑ ุจุณูููู ุบูุฑ ุงููู ููย
Recently uploaded (20)
THE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...
THE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...
ย
Level 3 NCEA - NZ: A Nation In the Making 1872 - 1900 SML.ppt
Level 3 NCEA - NZ: A Nation In the Making 1872 - 1900 SML.ppt
ย
Gender and Mental Health - Counselling and Family Therapy Applications and In...
Gender and Mental Health - Counselling and Family Therapy Applications and In...
ย
Elevate Your Nonprofit's Online Presence_ A Guide to Effective SEO Strategies...
Elevate Your Nonprofit's Online Presence_ A Guide to Effective SEO Strategies...
ย
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
ย
Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptx
Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptx
ย
Andreas Schleicher presents PISA 2022 Volume III - Creative Thinking - 18 Jun...
Andreas Schleicher presents PISA 2022 Volume III - Creative Thinking - 18 Jun...
ย
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
ย
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
ย
BรI TแบฌP Dแบ Y THรM TIแบพNG ANH LแปP 7 Cแบข NฤM FRIENDS PLUS SรCH CHรN TRแปI SรNG Tแบ O ...
BรI TแบฌP Dแบ Y THรM TIแบพNG ANH LแปP 7 Cแบข NฤM FRIENDS PLUS SรCH CHรN TRแปI SรNG Tแบ O ...
ย
ู
ุตุญู ุงููุฑุงุกุงุช ุงูุนุดุฑ ุฃุนุฏ ุฃุญุฑู ุงูุฎูุงู ุณู
ูุฑ ุจุณูููู.pdf
ู
ุตุญู ุงููุฑุงุกุงุช ุงูุนุดุฑ ุฃุนุฏ ุฃุญุฑู ุงูุฎูุงู ุณู
ูุฑ ุจุณูููู.pdf
ย
spot a liar (Haiqa 146).pptx Technical writhing and presentation skills
spot a liar (Haiqa 146).pptx Technical writhing and presentation skills
ย
Biology 29 1 invertebrate evolution
- 2. Radial Symmetry Body plan in which body parts repeat around the center of the body; characteristic of sea anemones and sea stars.
- 3. Bilateral Symmetry Body plan in which only a single, imaginary line can divide the body into two equal halves; characteristic of worms, arthropods, and chordates.
- 4. cephalization Concentration of sense organs and nerve cells at the front of an animalโs body.
- 5. Coelom Fluid-filled body cavity lined with mesoderm
- 6. Key Concept All invertebrates except sponges exhibit some type of body symmetry.
- 7. Key Concept Invertebrates with cephalization can respond to the environment in more sophisticated ways than can simpler invertebrates.
- 8. Key Concept Most complex animal phyla have a true coelom that is lined completely with tissue derived from mesoderm.