Biology CH7 Simple Animals
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| anus | an opening through which undigested food leaves the body
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| cyst | a young worm with a protective covering
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| flatworm | the simplest worms; they have flattened bodies
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| hookworm | a roundworm that is a parasite of humans
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| invertebrate | animals without backbones
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| mantel | a thin, fleshy tissue that covers a soft-bodied animal
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| planarian | a common freshwater flatworm that is not a parasite
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| pore | a small opening in a sponge through which water enters
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| roundworm | worms that have long bodies with pointed ends
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| segmented worm | worms with bodies divided into sections called segments
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| soft-bodied animal | animals with a soft body that is usually protected by a hard shell
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| sponge | simple invertebrates that have pores
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| stinging-cell animal | animals with stinging cells and hollow,sock-shaped bodies that lack organs
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| symmetry | the balanced arrangement of body parts around a center point or along a center line
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| tapeworm | a kind of flatworm that has a flattened, ribbon-like body divided into sections
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| tentacle | armlike parts of stinging-cell animals
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| vertebrate | animals with backbones
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Created by:
djhockett5
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