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Apologia Bio Mod 12
Definitions for Apologia Biology - Module #12 (2nd Edition)
| Term | Definition |
|---|---|
| exoskeleton | a body covering, typically made of chitin, that provides support and protection |
| molt | to shed an old outer covering so that it can be replaced with a new one |
| thorax | the body region between the head and the abdomen |
| cephalothorax | a body region composed of the head and thorax fused together |
| compound eye | an eye made of many lenses, each with a very limited scope |
| simple eye | an eye with only one lens |
| open circulatory system | a circulatory system that allows the blood to flow out of the blood vessels and into various body cavities so that the cells are in direct contact with the blood |
| statocyst | the organ of balance in a crustacean |
| gonad | a general term for the organ that produces gametes |
| complete metamorphosis | insect development consisting of four stages: egg, larva, pupa, and adult |
| incomplete metamorphosis | insect development consisting of three stages, egg, nymph, and adult |