Invertebrates
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Sponges are the simplest multicellular animals, with two cell layers and a jelly-like substance in between. They reproduce asexually by splitting into pieces. Cnidarians like jellyfish have radially symmetrical bodies with tentacles around their mouth. They also include corals. Worms include flatworms, roundworms, and segmented worms like earthworms. Spiny-skinned animals like starfish and sea urchins have thin skins covered in spines and tube feet. Mollusks mostly live in salt water and many have shells, while some like squids and octopuses do not. Arthropods are another invertebrate group.
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Similar to Invertebrates
Invertebrate animals
1. Invertebrates are animals without backbones and include sponges, cnidarians, worms, molluscs, arthropods, and echinoderms.
2. Sponges are aquatic animals that live attached to surfaces and filter feed. Cnidarians include jellyfish and corals and have tentacles to catch prey.
3. Worms are soft-bodied and elongated and include flatworms, nematodes, and segmented annelids.
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The document discusses the phylum Mollusca. It describes key characteristics of molluscs including their soft unsegmented bodies protected by a calcium carbonate shell secreted by the mantle. There are over 200,000 mollusc species found mainly in oceans. The three main classes are gastropods, bivalves, and cephalopods. Gastropods include snails and slugs. Bivalves include clams, mussels and oysters which have two shells. Cephalopods like octopuses, squid and cuttlefish are advanced predators. The document also discusses mollusc anatomy, physiology, behavior and life cycles.
diversity in living organisms
This document provides an overview of the classification of animals in the animal kingdom. It discusses the major taxonomic groups from the lowest level of Porifera to the highest level of mammals. Key points include:
- The animal kingdom is classified from the broadest category of kingdom down to more specific categories like phylum, class, order and species.
- Major phyla discussed include porifera, cnidaria, platyhelminthes, nematoda, annelida, arthropoda, mollusca, echinodermata, protochordata and vertebrata.
- Vertebrata is further divided into classes of pisces, amphibians, reptilia, aves
Biology practical #1 (part 1)
1) Sponges are simple aquatic animals that live in seas and freshwater. They are filter feeders and lack true tissues, organs or systems.
2) Cnidarians are carnivorous aquatic animals that have specialized stinging cells called cnidocytes. Many live as polyps or jellyfish and reproduce sexually or asexually.
3) Plathyhelminthes include parasitic flukes that attach to hosts with suckers to feed, as well as free-living planaria that crawl along pond bottoms as carnivores.
Classification of animals
There are about 50 million animal species living on earth today. Animals are classified as either non-chordates or chordates based on key distinguishing characteristics. Non-chordates lack a notochord and have other anatomical differences from chordates, which do possess a notochord at some stage of development as well as other features. The document then describes the characteristics of 10 non-chordate phyla and the subphyla and classes within the chordates.
Vertebrates
This document summarizes the five main groups of vertebrates: fish, amphibians, reptiles, birds, and mammals. It provides details on the key characteristics of each group, such as fish having fins and scales, amphibians being able to live on land and in water and having gills or lungs, reptiles having scales and laying eggs, birds having feathers and wings for flying, and mammals having hair/fur and feeding their young with mammary glands. Examples of common types within each group are also listed, such as bony fish vs. cartilaginous fish, frogs vs. salamanders, turtles vs. lizards vs. snakes vs. crocodiles, and placental
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.
Vertebrates
This document provides information about different types of vertebrates including fish, birds, amphibians, reptiles, and mammals. It describes some key characteristics of each group and examples of common species. The document aims to classify different vertebrate animals according to their defining physical attributes and environmental adaptations.
The animal kingdom (undone)
This document summarizes the key characteristics of chordates, vertebrates, and major animal groups within the kingdom Animalia. It describes how chordates have a notochord, dorsal nerve cord, gill slits, and post-anal tail. Vertebrates are distinguished by having their notochord replaced by a backbone. Major groups discussed include fish, amphibians, reptiles, birds, and mammals. For each group, examples are provided and distinguishing features are described, such as how mammals give birth to live young and produce milk.
AP Biology Vertebrate Evolution
Here are the primary features that separate each new clade:
- Craniates: Have a head
- Vertebrates: Have a backbone
- Gnathostomes: Have jaws
- Tetrapods: Have limbs and feet
- Amniotes: Have an amniotic egg
- Mammals: Produce milk and have hair
- Primates: Large brains and forward-facing eyes
- Humans: Increased brain volume and shorter jaws
Animal kingdom All Phylum for NEB Board NEPAL
- Sponges are aquatic, mostly marine organisms that live attached to surfaces. They have pores that allow water flow through their bodies for filter feeding, gas exchange, and waste removal.
- They have a simple structure with two main cell layers and lack true tissues. Sponges reproduce both sexually and asexually. Their skeletons can be made of silica spicules, calcareous spicules, or spongin fibers.
- Phylum Porifera is divided into three classes based on skeletal composition: Calcarea have calcareous spicules, Hexactinellida have silicious spicules, and Demospongiae have spongin fibers and are the most diverse
Class xi ch 4
This document provides information on the classification of animals, describing their levels of organization, symmetry, embryonic layers, body cavities, and other characteristics used to group them into taxa. It discusses sponges, cnidarians, ctenophores, flatworms, roundworms, annelids, arthropods, molluscs, echinoderms, hemichordates, and chordates. Within chordates, it describes lampreys and hagfish, cartilaginous fishes, bony fishes, amphibians, and several classes of vertebrates. The classification system presented moves from simpler to more complex organisms and discusses key distinguishing features of each group.
Invertebrates
Invertebrates are animals without backbones or inner skeletons. They display a wide range of characteristics and live in various habitats around the world. The document categorizes invertebrates into six main groups - sponges, cnidarians, echinoderms, mollusks, worms, and arthropods. Each group contains different phyla of invertebrates that share similar anatomical features and life cycles.
Whittakers 5 kingdom classification.pptx
Whittaker’s 5 kingdom classification
KINGDOM –MONERA
KINGDOM- PROTISTA
KINGDOM –FUNGI
KINGDOM –PLANTAE
KINGDOM -ANIMALIA
Microscopic
Unicellular(single celled)
Prokaryotes(without well defined nucleus)
May live in colonies or solitary.
Some of them are free living ,few are parasites
Some of them are useful and some of them are harmful disease causing
Do not have locomotary organs .
Few bacteria have flagella.
Reproduces asexually by binary fission (splitting into two)
Eg-Useful bacteria –Lactobacillus,Rhizobium
Harmful bacteria-Salmonella
The gastropods
The gastropods are an extremely diverse class of mollusks that includes snails and slugs. Most gastropods have a spiraling shell that surrounds their soft body and protects it. They have a well-defined head with ganglia but no ears, and excellent senses of smell and taste. Gastropods live on the seafloor in almost every marine environment and feed by scraping algae and decaying matter off surfaces using a rasping tongue called a radula. They reproduce through external fertilization and development.
Animalia kingdom modified
This is a ppt on the Anamalia Kingdom. made by :-
Anushka Mukherjee
Riddhima Ghosh Roy
Sameeha Pathan
Shruti Ugalmugale
Akaanksha Kadam
from Vibgyor High School NIBM,Pune, Maharashtra, India
Coelenterata
1. The document describes the phylum Cnidaria, focusing on the class Coelenterata.
2. Coelenterata have a radial symmetrical body plan with two tissue layers (ectoderm and endoderm) separated by a jelly-like mesoglea. They exist in polyp and medusa forms.
3. Coelenterata are carnivorous, using stinging cells called cnidocytes on their tentacles to capture prey. They reproduce both sexually and asexually.
The gastropods old
The gastropods are an extremely diverse class of mollusks that includes snails and slugs. While many have coiled shells, some have no external shell at all. They have a well-defined head and lack ears, but have excellent senses of smell and taste. Gastropods are found in nearly every marine habitat and feed by scraping algae and decaying matter using a rasping tongue called a radula. Reproduction involves external fertilization and development of egg cases.
A survery of kingdom animalia
Chordates are classified into 3 subphyla: Cephalochordata, Urochordata, and Vertebrata. Cephalochordata and Urochordata are invertebrates while Vertebrata includes fish, amphibians, reptiles, birds, and mammals. All chordates share structures like a notochord, dorsal nerve cord, pharyngeal slits, and postanal tail. The subphylum Urochordata includes tunicates that are marine filter feeders while Cephalochordata includes lancelets that have elongated segmented bodies and retain their notochord. Vertebrates are distinguished by having a head, brain, vertebrae,
10 8 all handouts animal diversity 2010 jewett edit
Reptiles are a class of tetrapod vertebrates within the Chordata phylum. They have existed for over 300 million years and are found on every continent except Antarctica, with over 8,000 species. Reptiles are distinguished from other amniotes by having scales that cover their bodies and being cold-blooded. They have three-chambered hearts and lay eggs protected by leathery shells. Common ways reptiles move include walking with alternating front and back legs as well as crawling or creeping. Reptiles include diverse orders such as crocodiles, tuataras, lizards, snakes, turtles, and the now extinct dinosaurs.
Similar to Invertebrates (20)
10 8 all handouts animal diversity 2010 jewett edit
10 8 all handouts animal diversity 2010 jewett edit
Invertebrates
- 1. Invertebrates I. Sponges (Phylum Porifera) • First animals to exist in multicellular form • Simplest kind of animal • Live in salty water • Have few specialized cells, no tissues or organs • Has 2 layers of cells w/ jelly-like substance in between • Flagella direct currents of water through the pores in the sponge • Reproduce in a special asexual way: one sponge can be cut into 10 pieces, each will become a new sponge • They also reproduce sexually • http://www.youtube.com/watch?v=laJgUrSsO_k
- 2. II. Hollow-bodied animals (Phylum Cnidaria) • Bodies are big sacks • Has one opening – food and waste goes in and out • Are radially symmetrical (parts extend from a center like spokes of a wheel) • Jellyfish has tentacles/arms with stingers around the mouth • Corals have a hard covering called the exoskeleton • Sea anemones
- 3. III. Worms • Flatworms (Phylum Platyhelminthes) - example : tapeworm - are flat/ribbon-shaped/leaf-like - are parasites, cause diseases - have one digestive-system opening • Roundworms (Phylum Nematoda) - parasites, live in the intestines of animals • Segmented (Phylum, Annelida) - Example : earthworms - Have 100 to 180 ring like segments - Have head, tail, mouth, blood, and a tiny brain - They move by means of muscles - Have closed circulatory systems
- 4. IV. Spiny-skinned animals • have thin skins, covered w/ spines • Have tube feet to hold onto rocks and to open food • Examples : starfish, se urchin, sand dollars • Starfish pushes its stomach out, digests the food, and then swallows the stomach V. Mollusks • Tasty food for people, also helpful • Have soft bodies • Most have shell coverings called the mantle (except squids and octopus) • Most live in salt water • Snails move with the use of a muscular foot which releases a trail of slime