During embryo formation,a ball of cells with a hollow cavity inside is termed a:
A) Morula
B) Blastula
C) Blastocoel
D) Gastrula
E) Neurula
Correct Answer:
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Q17: The sac that surrounds the fetus and
Q18: In order to provide for easier birth,a
Q19: A biologist is repeating the Hans Spemann
Q20: The allantois:
A)Gives rise to the umbilical blood
Q21: Which of the following is not an
Q23: What is a reasonable conclusion as to
Q24: In the human male,the tube used to
Q25: Which of the following is the correct
Q26: Sexual reproduction increases genetic diversity in a
Q27: Which association is incorrect?
A)Gastrula-blastopore
B)Blastula-blastocoel
C)Primitive streak-morula
D)Gut-archenteron
E)Cleavage-zygote
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