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tekilochka [14]
3 years ago
12

All multicellular organisms begin as a skin cell. within four or five days, that first cell multiplies into a ball-like structur

e of about 100 cells. what is this structure called?
A. Blastocyst
B. Blood
C. Placenta
D. Heart
Biology
2 answers:
ladessa [460]3 years ago
8 0
The correct answer is A. Blastocyst.

I hope I helped!
lora16 [44]3 years ago
8 0
The answer is A , hope you got it
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