Mass of cells formed during early embryonic development of an animal is?
A
Morula
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B
Blastula
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C
Amphiblastula
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D
Gastrula
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Solution
The correct option is A Morula Thus zygote first divides to form an 8- 16 cell structure which is known as the morula. The cells of morula are known as blastomere.
The morula then divides to form a 64 celled stage known as a blastula. The blastula has a cavity which is known as blastocoel.
The blastula has an outer covering of trophoblast and inner cell mass the next stage is the gastrula.
Amphiblastula is not an embryonic stage but larva of sponges.