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Bio Ch 7 Hockett
HS Bio SImple Animals
Question | Answer |
---|---|
Anus | An opening through which undigested food leaves the body. |
Cyst | a young worm with a protective covering |
Flatworm | The simplest worms, they have flattened bodies. |
Hookworm | A roundworm that is a parasite of humans. |
Invertebrate | Animals without backbones. |
Mantle | A thin, fleshy tissue that covers a soft-bodied animal. |
Planarian | A common freshwater flatworm that is not a parasite. |
Pore | A small opening in a sponge through which water enters. |
Roundworm | Worms that have long bodies with pointed ends. |
Segmented worm | Worms with bodies divided into sections called segments. |
Soft-Bodied Animals | Animals with a soft body that is usually protected by a hard shell. |
Sponge | Simple invertebrates that have pores. |
Stinging-cell Animal | Animals with stinging cells and hollow, stock-shaped bodies that lack organs. |
Symmetry | The balanced arrangement of body parts around a center point or along a centerline. |
Tapeworm | A kind of flatworm that has a flattened ribbon-like body divided into sections. |
Tentacle | Arm-like parts of stinging-cell animals. |
Vertebrate | Animals with backbones. |