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13 terms

Apologia Biology Module 12

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A body covering, typically made of chitin, that provides support and protection
Exoskeleton
To shed an old outer covering so that it can be replaced with a new one
Molt
The body region between the head and the abdomen
Thorax
The body region posterior to the thorax
Abdomen
A body region composed of the head and thorax fused together
Cephalothorax
An eye made of many lenses, each with a very limited scope
Compound eye
An eye with only one lens
Simple eye
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
Open circulatory system
The organ of balance in a crustacean
Statocyst
A general term for the organ that produces gametes
Gonad
Insect development consisting of four stages: egg, larva, pupa, and adult
Complete metamorphosis
Insect development consisting of three stages: egg, nymph, and adult
Incomplete metamorphosis
An exoskeleton, body segmentation, jointed appendages, a ventral nervous system, and an open circulatory system
General characteristics of arthropods