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Phylum Arthropoda

Exploring Creation with Biology - Module 12 (Phylum Arthropoda) Definitions

QuestionAnswer
Exoskeleton A body covering, typically made of chitin, that provides support and protection
Molt To shed an old exoskeleton 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 comprised of a head and a thorax 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
5 Characteristics of Arthropods exoskeleton, jointed appendages, body segmentation, ventral nervous system, open circulatory system
5 Characteristics of Arachnids 4 pairs legs, 4 pairs simple eyes, cephalothorax, no antennae, book lungs
4 Characteristics of Insects 3 pairs of legs, no cephalothorax, wings, 1 pair antennae
Created by: science4never
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