Early embryonic form consisting of a hollow sphere of cells is known as..

Options :
  1. Blastula
  2. Gastrula
  3. Morula
  4. Gastrocoele
Answer and Explanation :-

Answer: Option 1

Explanation:

The blastula is a hollow sphere of cells formed during an early stage of embryonic development in animals. The blastula is created when the zygote undergoes the cell division process known as cleavage. The blastula is preceded by the morula and is followed by the gastrula in the developmental sequence.

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