A characteristic of development of Deuterostomia is
A) spiral cleavage.
B) mosaic development.
C) the mesoderm developing from a special blastomere called the 4d cell.
D) radial cleavage.
Correct Answer:
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Q1: Eggs with a moderate amount of yolk
Q2: The concept that an egg or sperm
Q3: Rotational cleavage is unique to
A)amphibians.
B)mammals.
C)sea stars.
D)lophotrochozoa.
Q4: After the fusion of sperm and egg
Q5: Entrance of more than one sperm
A)is called
Q7: Radial cleavage is found in
A)birds.
B)mammals.
C)most protostomes.
D)sea stars.
Q8: The point of fertilization occurs when
A)sperm are
Q9: Eggs with abundant yolk that is concentrated
Q10: Cleavage in mammals
A)is faster than most other
Q11: The concept that an egg contains the
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