Multiple Choice
With the exception of the sponges,all animals develop embryologically in one of two ways; the chordates and echinoderms,as deuterostomes,
A) are the only radially symmetric groups.
B) are the only bilaterally symmetric groups.
C) derive the anus from the blastopore.
D) derive the mouth from the blastopore.
Correct Answer:

Verified
Correct Answer:
Verified
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