PPT-Echinoderms
Author : pamella-moone | Published Date : 2016-03-31
Megan Snyder and Anita Soemer httpwwwbingcomimagessearchqstarfishlabeledampqsIMampformQBIRMHamppqstarfishlabelampsc814ampsp1ampskviewdetailampid47996ECADFA4F713FD24356D6F1E7EA504247D96ampselectedIndex0
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Echinoderms: Transcript
Megan Snyder and Anita Soemer httpwwwbingcomimagessearchqstarfishlabeledampqsIMampformQBIRMHamppqstarfishlabelampsc814ampsp1ampskviewdetailampid47996ECADFA4F713FD24356D6F1E7EA504247D96ampselectedIndex0. pincers Echinoderms Echinoderms are are found in all the found in all the oceans oceans of the world of the world What is an echinoderm What is an echinoderm brPage 2br SKIN all have a hard SKIN all have a hard spiny spiny or bumpy or bumpy endosk Members of this group are sea stars, sea urchins, sea cucumbers and sand dollars. . Echinoderms have an internal skeleton called a endoskeleton – made of harden plates that makes the animal bumpy and irregular texture.. . Phylum . Echinodermata. , from the Greek for . spiny skin. Phylum Echinodermata –. spiney-skinned animals. includes sea stars, brittle stars, sea urchins, sand dollars, sea cucumbers, and crinoids. When Carl Linnaeus first created his method for organizing animals, he had just two families of invertebrates:. . Insecta. (insects) and . Vermes. (worms).. Since that time, scientists have found more invertebrates and have created more classifications. We will talk about six . Mollusks, Arthropods, and Echinoderms. 7. th. Grade Science. Mollusks. __________ - invertebrates with soft . unsegmented. bodies that are often protected by a harder outer shell. _________ - a thin layer of tissue that covers the internal organs – produces the hard shell. When Carl Linnaeus first created his method for organizing animals, he had just two families of invertebrates:. . Insecta. (insects) and . Vermes. (worms).. Since that time, scientists have found more invertebrates and have created more classifications. We will talk about six main categories or families of invertebrates.. Crown-of-Thorns Star Fish. By Joe Baartz. Biological Classification. The binomial name for the Crown-of-thorns starfish is called ‘. A. canthaster . P. lanci’~ Linnaeus, 1758.. Kingdom: Animalia. :. Echinoderms. Spiny-skinned. Sea Star (Starfish). Green Sea Urchin. Rosy Feather Star. Echinoderms are animals with no: brain, eyes, heart, or lungs. Water-vascular system. Taxonomy. Common starfish. Echinoderms (phylum Echinodermata) include sea stars and sea urchins. Chordates (phylum Chordata) include the vertebrates. Echinoderms and chordates constitute the clade Deuterostomia. © 2011 Pearson Education, Inc.. Cnidaria. Ctenophora. Platyhelminthes. Rotifera. Nematoda. Nemertea. Mollusca. Annelida. Arthropoda. Bryozoa. Phoronida. Brachiopoda. Echinodermata. Chordata. No true tissues. radial symmetry. diploblastic. Biology I: Chapter 28. ARTHROPODS. ARTHROPODS. Arthropods. Phylum Arthropoda. Insects, crabs, centipedes, spiders. Segmented body. Tough exoskeleton made of chitin. Jointed appendages. Evolution of Arthropods. Developmental Variations. During embryonic development, the process of . gastrulation. forms the digestive cavity.. Gastrulation. varies in the animal kingdom. No . gastrulation. (. placozoans. ). echinodermata. mean?. Spiny skin. Examples of echinoderms. What is an echinoderm?. Typically have no anterior/posterior end. Lack cephalization. Invertebrates. Questions. What is an invertebrate?. What other phyla are invertebrates?. . Class . Pterobranchia. (Sea Angels). Class . Enteropneusta. (acorn worms). Small group of marine worms that show similarities. to Echinoderms and Chordates. Tornaria. of Acorn Worms . Auricularia.
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