Multiple Choice
You discover a radial symmetrical animal in an early development stage.How would you determine if it is an echinoderm or cnidarian?
A) Radiates have a tube-within-a-tube body plan.
B) Determine if two embryonic layers are present.
C) A digestive cavity is found in echinoderms.
D) True tissues are found in echinoderms.
Correct Answer:

Verified
Correct Answer:
Verified
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