Ringlike patterns on an earthworm and "six-pack abs" in humans are evidence of ____ in an animal's body plan.
A) cephalization
B) segmentation
C) radial symmetry
D) mesenteries
E) cleavage
Correct Answer:
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Q2: In most eumetazoans, the innermost tissue layer
Q3: Animals that lack a body cavity to
Q4: Animals are _ organisms, and their cells
Q5: Which phylum is a member of the
Q6: Groups of cells that share a common
Q8: In most eumetazoans, the middle tissue layer
Q9: Many sponges are hermaphroditic, which means that
Q10: Which animal taxon is named for the
Q11: Asymmetry, choanocytes, filter feeding, osculum, and spicules
Q12: The gut develops from the _in most
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