Lecture 8 Biology 2

Lecture 8 Biology 2 - Animal Diversity Review Animals...

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1 Animal Diversity – Review Animals –Euka ryo t i c – Multicellular •D i f f e r e n t c e l l t y p e s –He te ro t roph
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Survey of Invertebrates I and II I. Porifera—sponges II. Cnidaria—jellyfish, sea anemones, corals III. Platyhelminthes—flatworms, flukes, tapeworms IV. Mollusca—snails, bivalves, octopi, squid V. Annelida—earthworms, leeches, polychaetes VI. Nematoda—roundworms VII. Arthropoda—insects, spiders, crustaceans VIII. Echinodermata—sea urchins, starfish, sand dollars 5 Phylum Porifera : Sponges 6 Porifera: Sponges Simplest multicellular animals Considered "multicellular" rather than colonial, because there are different cell types. – Not much, if any cooperation between cells
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Lecture 8 Biology 2 - Animal Diversity Review Animals...

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