Which of these animals is a diploblast?
A) jellyfish
B) sea urchin
C) frog
D) chick
E) fruit fly
Correct Answer:
Verified
Q6: Fertilization normally
A) reinstates diploidy.
B) follows gastrulation.
C) is
Q10: During fertilization, the acrosomal contents
A) block polyspermy.
B)
Q15: The vitelline layer of the sea urchin
Q21: Among these choices, the largest cell involved
Q23: The pattern of embryonic development in which
Q25: In a developing frog embryo, most of
Q28: If gastrulation were blocked by an environmental
Q33: The yolk of the frog egg
A) prevents
Q36: Meroblastic cleavage occurs in
A) sea urchins, but
Q61: The first cavity formed during sea urchin
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