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Definition
| separate sexes; individuals are either male or female |
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| individuals having both sex organs (Hermaphrodite) |
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Definition
| An animal with a true body cavity (coelome). |
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Definition
| Animals which lack a body cavity. |
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Definition
| Animals (e.g. nematodes) which have a half-assed body cavity. |
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Definition
| opening at top of sponges that filtered water flows out from |
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Term
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Definition
| small openings on sponge that water flows in to the sponge from |
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Definition
| flagellated cells which pull water in through the ostia of a sponge |
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Term
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Definition
| central cavity of a sponge |
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Term
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Definition
Animal phylum with radial symmetry, no organs.
Jelly fish, hydras, coral, etc. |
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Term
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Definition
| Stinging cells of cnidarians. |
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Term
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Definition
| Fly-paper like strip that hangs down from ctenophores, traps prey. |
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Definition
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Definition
| Floating, mobile form of cnidarians (e.g. jelly fish) |
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Term
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Definition
| Anchored, sessile form of cnidarians (e.g. anemones, hydras). |
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Term
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Definition
| transitional stage between larva and adult forms of insects with complete development. |
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Term
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Definition
| Body produces its own heat. |
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Term
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Definition
| Heat comes from outside the body (cold-blooded). |
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Definition
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Definition
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Definition
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Definition
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Definition
| scraping tongue of molluscs (although absent in bivalves) |
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Term
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Definition
| Ciliated larval form of some mollusks. |
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Term
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Definition
| Plankton larvae of most gastropod molluscs and bivalves. |
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Term
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Definition
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Term
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Definition
| "legs" of polychaete worms |
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Term
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Definition
| System of internal tubes for hydrovascular skeleton in echinoderms |
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Term
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Definition
| Cleaning up pollution using living organisms. |
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Term
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Definition
| cavity behind the mouth, that opens to both digestive and respiratory system |
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Term
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Definition
| shedding (molting) of exoskeleton |
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Definition
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Definition
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Term
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Definition
| Specialized groups of segments |
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Term
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Definition
| Sound-sensing structure in insects. |
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Term
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Definition
| protective layer around embryo of terrestrial vertebrates |
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Term
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Definition
| organ in many mammals that provides nourishment to embryo and removes waste |
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Term
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Definition
| sharp hard boney structures in sponges for support and to deter predators |
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