Multiple Choice
During the Cambrian, Trilobites developed a flexible exoskeleton which allowed them to .______
A) burrow in soft sediment to find food
B) climb trees and find food
C) sink to the bottom of shallow ponds to find food
D) eat smaller life forms by crushing them in their jaws
E) avoid being eaten by other creatures
Correct Answer:

Verified
Correct Answer:
Verified
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