Apologia Biology - Module 12 Vocabulary Words

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Vocabulary Words

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exoskeleton
 
a body covering, typically made of chitin, that provides support and protection
molt
 
to shed an old covering so that it can be replaced with a new one
thorax
 
the body region between the head and the abdomen
abdomen
 
the body region posterior to the thorax
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
complete metamorphosis
 
insect development consisting of four stages: egg, larva, pupa, and adult
statocyst
 
the organ of balance in a crustacean
gonad
 
a general term for the organ that produces gametes
incomplete metamorphosis
 
insect development consisting of three stages: egg, nymph, and adult
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