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barry barry
wrote...
Posts: 11630
10 years ago
A hollow ball of cells is (the)
A) blastocyst.
B) gastrula.
C) morula.
D) embryo.
E) None of the answers are correct.
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1 Reply

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Replies
wrote...
10 years ago
Answer:  A
Biology - The only science where multiplication and division mean the same thing.
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