A primitive groove is the equivalent of a
A) neural crest.
B) branchial groove.
C) blastodisc.
D) blastopore.
E) neural groove.
Correct Answer:
Verified
Q26: Which organism exhibits radial cleavage?
A) Echinoderms
B) Amphibians
C)
Q27: Which of the following arises from the
Q28: Which of the following becomes the ectoderm
Q29: Figure 51-4 Q30: The first system to develop in the Q32: Embryonic mesoderm forms the Q33: The term "archenteron" refers to the developing Q34: The gray crescent region of the amphibian Q35: If the ectoderm is destroyed, which organ Q36: Figure 51-4 
A) epidermis.
B) digestive tract
A)
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