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Elodia [21]
3 years ago
11

Which of these is a hollow ball of cells that develops after the fertilization of the egg?

Biology
1 answer:
BabaBlast [244]3 years ago
4 0
<span> After fertilization, the </span>zygote<span> undergoes cleavage to form the blastula. The blastula, which in some species is a hollow ball of cells, undergoes a process called gastrulation, in which the three germ layers form.</span>
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