miguelio miguelio

21-09-2020
Biology

contestada

At what stage of development is the embryo a hollow ball of identical cells?
fetus
O zygote
O gastrula
blastula

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brookestratos brookestratos

05-10-2020

Answer: blastula

Explanation: an animal embryo at the early stage of development when it is a hollow ball of cells.

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