Segmented Worms
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Segmented worms have segmented, ring-like bodies and setae that help them move. They live in soil, freshwater, and saltwater. Earthworms eat soil and have a crop, gizzard and intestine for digestion. Leeches feed on animal blood with suckers and secrete chemicals for feeding and surgery. Over 600 marine worm species live in various ways like floating, burrowing or walking on ocean floors. Worms and mollusks evolved from a common ancestor as shown by their similar larval stage.
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This is not my own creation, but I really liked it. I added several videos which probably will not show up through slide share. The videos were my own addition.
Starfish Children's Book Project
Starfish have a complex digestive system with two stomachs that can extend outside the body to engulf prey. They excrete waste through their tube feet and papulae and lack dedicated excretory organs. The nervous system lacks a brain and consists of radial and circular nerves that coordinate movement and sensing. The circulatory system includes the perivisceral coelom, tube feet system, and hemal system to transport nutrients and oxygen. Starfish can reproduce both sexually and asexually, with fertilization occurring externally and larvae developing before settling as adults.
Chapter 13- higher animals
Mollusks are soft-bodied invertebrates that usually have one or two shells. They have a mantle that covers their organs and secretes shell material. Mollusks are classified based on their shells and feet into gastropods like snails, bivalves like clams, or cephalopods like squid. Arthropods are the largest animal group with over 1 million species. They have jointed appendages and segmented bodies with an exoskeleton. Examples include insects, spiders, and crustaceans. Echinoderms have a hard endoskeleton and radial symmetry, examples are sea stars and sea urchins.
Echinoderms
Echinoderms are marine animals characterized by spiny skin, internal skeletons, and tube feet. They exhibit five-part radial symmetry and have a water vascular system for functions like respiration, circulation, and movement. Echinoderms reproduce through external fertilization and have larvae that swim before settling. They lack complex nervous systems but can sense their environments. Common echinoderms include sea stars, sea urchins, sand dollars, sea cucumbers, brittle stars, feather stars, and sea lilies.
Echinoderms
Echinoderms are marine animals characterized by spiny skin, internal skeletons, and tube feet. They exhibit five-part radial symmetry and have a water vascular system for functions like respiration, circulation, and movement. Echinoderms reproduce through external fertilization and have larvae that swim before settling on the sea floor. Common echinoderms include starfish, sea urchins, sand dollars, sea cucumbers, brittle stars, feather stars, and sea lilies.
Echinoderms
Echinoderms are marine animals characterized by spiny skin, internal skeletons, and tube feet. They exhibit five-part radial symmetry and have a water vascular system used for respiration, circulation, and movement. Echinoderms reproduce through external fertilization and have simple nervous systems lacking brains. Common examples are starfish, sea urchins, sand dollars, sea cucumbers, brittle stars, feather stars, and sea lilies, which fill important ecological roles as predators, grazers, and filter feeders.
Animalia
The document discusses the Search for Extraterrestrial Intelligence (SETI) project which searches outer space for signs of life. It notes that the US spends millions of dollars annually on SETI to search for aliens. It then asks if readers believe in the possibility of aliens and asserts that there may be aliens on other planets in the universe given the vast number of solar systems.
Kingdom animalia
This document provides information about the phylum Echinodermata. It describes their key characteristics such as radial symmetry, tube feet powered by a water vascular system, and calcareous plates or spines covering their skin. Examples of classes within this phylum are mentioned, including sea stars, brittle stars, sea urchins, sea cucumbers, and sea lilies. Their ecology, behavior, reproduction, and classification are summarized.
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.
Luis flores animal phyla
Porifera are sponges that live in aquatic environments and have pores that allow water flow through their bodies for filter feeding, respiration, and waste removal. Cnidarians like jellyfish, sea anemones, and corals have stinging tentacles used to capture prey which is then brought to the mouth. Platyhelminths are flatworms that have no skeleton and use cilia and muscles to move; they have a combined digestive/excretory system and reproduce asexually.
ANIMAL KING WITH MOTIVATION AND REVIEW
The document describes the characteristics of arthropods. Arthropods have segmented bodies, jointed appendages, and an external exoskeleton made of chitin. They molt and shed their exoskeleton as they grow. Arthropods are found in many environments and have a variety of shapes and sizes. However, they all share traits like jointed legs, segmentation, distinct heads, and often compound eyes.
Crustacea Subphlyum
Crustaceans are a diverse group of arthropods characterized by their chitinous exoskeleton, segmented body, and motile limbs. They are found in a variety of aquatic habitats around the world, including both freshwater and marine environments. Crustaceans have advanced features like bilateral symmetry, specialized organ systems, and cephalization that aid in motility, digestion, and sensing their surroundings. Their specialized structures include limbs for movement, compound eyes and antennae for perception, and an exoskeleton for protection.
Chapter 12-Intro to animals
- Animals are multi-cellular organisms that have specialized structures like nuclei and organelles. They are consumers that rely on their environment for food.
- Over time, animals have adapted to eating different types of food available in their environment through adaptations like camouflage, armor, and venom. Herbivores eat plants, carnivores eat other animals, and omnivores eat both.
- When classifying animals, characteristics like having a backbone (vertebrates vs invertebrates), symmetry, and protective structures are considered. Invertebrates make up 97% of all animal species.
Orteza edited part 2 animal kingdom 97
This document provides information about different animal phyla and classes. It discusses the characteristics of molluscs like bivalves, gastropods, and cephalopods. It also describes the classes within the phylum Echinodermata, including sea stars, sea urchins, sea cucumbers, and feather stars. Additionally, it summarizes the characteristics of arthropods and highlights examples like insects, spiders, and crustaceans. Finally, it outlines the five classes that make up the phylum Chordata: fish, amphibians, reptiles, birds, and mammals.
3 les 2 sci 4
This document classifies and describes various aquatic animals and their adaptations. It discusses fishes having scales, gills and nostrils. It also describes sponges as sessile animals without organs or muscles. Cnidarians like hydras and jellyfish are radially symmetrical with stinging tentacles. Molluscs have soft bodies and shells, breathing and feeding through gills. Adaptations for aquatic animals include webbed feet and claws for swimming, camouflage, and a second eyelid. Frogs in water have strong legs and sometimes webbed feet for jumping, swimming and escaping predators.
10 4 all handouts animal diversity 2010 jewett edit
The document summarizes key information about sponges and cnidarians. It discusses their:
1) Simple body structures and lack of tissues in sponges. Cnidarians have a gastrovascular cavity and three body layers.
2) Radial symmetry in cnidarians and lack of symmetry in sponges.
3) Close evolutionary relationship and how cnidarians were early ancestors of animals with nerves and muscles.
4) Filter feeding in sponges and carnivorous feeding using nematocysts in cnidarians like jellyfish and hydra.
Chapter 7 - Marine Invertebrates
Marine invertebrates are animals without backbones that live in ocean environments. They make up at least 97% of all animal species and include sponges, cnidarians like jellyfish and corals, worms, molluscs like clams and octopuses, and arthropods like crustaceans. Many are filter feeders that eat plankton or detritus and play important ecological roles in ocean ecosystems.
Chapter7 marineinvertebrates-160429122101
Marine invertebrates are animals without backbones that live in marine environments. They make up at least 97% of all animal species and include sponges, cnidarians like jellyfish and corals, worms, molluscs like clams and octopuses, and other phyla. Sponges are sessile filter feeders that pump water through their bodies to feed. Cnidarians like jellyfish and anemones use stinging cells called nematocysts to capture prey. Worms display bilateral or radial symmetry and include flatworms, ribbon worms, nematodes, and segmented worms. Molluscs are a large and diverse phylum that includes shelled gastropods and
Molluscs
The document discusses the phylum Mollusca, including their body plans and three main classes. Molluscs are soft-bodied animals that live in various aquatic and moist environments. They have a mantle that secretes a shell in most species and organs like gills. The three classes are bivalves like clams that have two hinged shells, gastropods like snails that have a muscular foot and often a single coiled shell, and cephalopods like octopuses and squid that have tentacles surrounding their head and well-developed eyes and nervous systems.
Mollusca Presentation
1. The document is a dating profile posted by a mollusk looking for a mate. It provides information about mollusks, including their habitat, anatomy, behaviors, defenses, and intelligence.
2. Mollusks live in both aquatic and terrestrial environments, and display a range of behaviors from swimming to crawling to shooting ink. They have open circulatory systems and varied respiration methods.
3. The profile seeks a mate that enjoys filter feeding in tidal waters, has keen senses and bilateral symmetry, and for more advanced mollusks, high intelligence. Movement via siphon jets or crawling is preferred.
Similar to Segmented Worms (20)
10 8 all handouts animal diversity 2010 jewett edit
10 8 all handouts animal diversity 2010 jewett edit
10 4 all handouts animal diversity 2010 jewett edit
10 4 all handouts animal diversity 2010 jewett edit
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.
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before the computed tomography, it had been widely used.
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Segmented Worms
- 1. Chapter 14.2 Segmented Worms