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12 Cards in this Set
- Front
- Back
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Cnidaria
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-have unique radial symmetry
-2 forms: polyp and medusa ***extracellular digestion in gastrovacular cavaty |
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nematocysts
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specialized prey capture and defensive structures
*like a speer gun they shoot |
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Phylum Platyhelminthes
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-bi-lateral symmetry
-flatworms -cephalization: concentration of brain in one region -3 germ layers |
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Phylum Annelida
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-segmented body plan
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septae
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coelom are partitioned off by this
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Leeches for medicinal use
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-secrete anti-coagulates
-vasodilator -saliva is anesthetic |
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Phylum Mollusca:
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have a hard shell
have foot, mantle and other such distinguishing characteristics |
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Ecdysis
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molting as the individual grows
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Ascaris
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roundworm in dogs
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Phylum Arthropoda
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"joint footed" animals
exoskeleton with chitin jointed appendages compound eye |
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OMMATIDIA
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the tiny small units that make up the compound eye
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arthropoda have what type of circulatory system
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open/hemocoel
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