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All multicellular organisms begin as a skin cell. within four or five days, that first cell multiplies into a ball-like structure of about 100 cells. what is this structure called?

A. Blastocyst
B. Blood
C. Placenta
D. Heart

2 Answers

7 votes
The answer is A , hope you got it
User Lucas Pires
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1 vote
The correct answer is A. Blastocyst.

I hope I helped!
User Cijothomas
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