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meerkat18
When the egg cell is fertilized with the sperm cell, it changes into a zygote. It then becomes a morula and blastula. Then it turns into grastula and neurula where neural plate is transformed into neural tube.. Finally, it becomes a human embryo.

Answer:

B. egg > zygote > morula > blastula > gastrula> neurula > fetus

Explanation:

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