There are many developmental stages that a human undergoes between fertilization and birth. Immediately following which stage do es
cellular differentiation begin?
2 answers:
Answer:
W
Explanation:
Because when the sale starts invited it starts out as a singular cell, then divide itself into two and it continues to divide itself. So the answer that would make the most sense would be W because it starts out with only two.
Answer:
The answer is X
Explanation:
When the blastula changes into the gastrula (X), three layers form:
an outer layer, known as the ectoderm,
an inner layer, known as the endoderm, and
a middle layer, known as the mesoderm.
These layers then differentiate into a human's tissues and organs.
and I took the test
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