With the Exception of the Sponges,all Animals Develop Embryologically in One

question 72

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.

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