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Fittoniya [83]
3 years ago
6

Witch is an' embryonic germ layer that gives rise to the muscular skeletal circulatory systems of a human?

Biology
1 answer:
Firlakuza [10]3 years ago
7 0
D) Mesoderm is the answer 
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Chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears.

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