PPT-29-1 Echinoderms

I Echinoderms A Origin of the Phylum name Echinodermata 1 echino Spiny dermis Skin II What is a Echinoderm A Characteristics of Phylum Echinodermata . Order Toll Free 877 6615355 Order by FAX 843 4700237 The Phylum Echinodermata consists of about 6000 living species all of which are marine This video program compares the five major classes of living echinoderms in terms of basic functional biology . 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. Megan Snyder and Anita . Soemer. http://www.bing.com/images/search?q=starfish+labeled&qs=IM&form=QBIRMH&pq=starfish+label&sc=8-14&sp=1&sk=#view=detail&id=47996ECADFA4F713FD24356D6F1E7EA504247D96&selectedIndex=0. 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. 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. By: Amanda Brainerd. Endoskeleton . Five-part radial symmetry. Water-vascular system . Skin Gills. No head or brain. Key Characteristics . Anatomy. Sieve . Ring canal. Tube feet. Anus. Stomach. Digestive glands. :. 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. 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. Evolutionary Perspective. Flourished in 400 million year-old seas. Many were attached suspension feeders.. 12 of 18 classes now extinct. Remain a major component of marine ecosystems. Characteristics. Developmental Variations. During embryonic development, the process of . gastrulation. forms the digestive cavity.. Gastrulation. varies in the animal kingdom. No . gastrulation. (. placozoans. ). Animals Without Backbones Chapter 2: The Animal Kingdom Scientists keep track of Earth’s animal species by observing their similarities and differences . An animal with symmetry has body parts that match other body parts around a midpoint or U . = Understanding. E . = Extended Thinking Adventure. S. = Summary. T . = Tell. quest CHECK- INVERTS. Directions-. Number your journal #. 1-10.. You will answer questions about . MOLLUSKS.. You .