LAB 9: ANIMAL DIVERSITY EXAM QUESTIONS AND ANSWERS



Porifera - Answer- -Most simple phylum

-No symmetry

-Aquatic filter feeders w/ little cell differentiation

-No true tissue

-Choanocyte: cone with flagella in middle!

-Ex: SPONGE



Cnidaria - Answer- -Water dwelling creatures

-Radial symmetry

-No central nervous system

-Feed using stinging cells

-Diploblastic

-Ex: JELLYFISH, CORALS, HYDRAS



Platyhelminthes - Answer- -Flatten body plan

-Bilateral symmetry

-Free-living or parasiti...
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