The defining characteristics of the phylum Arthropoda are:
A) jointed legs, ecdysis, and an exoskeleton
B) antennae, six legs, and mandibles
C) compound eyes, book lungs, and the hemocoel
D) Malphigian tubules, ommatidia, and tagmata
E) spiracles, cephalothorax, and proboscis
Correct Answer:
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