5. Give two differences between a zygote and a foetus.

Answers (1)

Zygote-

  • The zygote formed after the fertilisation of male sperm and female ovum.
  • The zygote divides repeatedly to give rise to a ball of cells. The cells then begin to form groups that develop into different tissues and organs of the body. This developing structure is termed an embryo.

Foetus-

  • The stage of the embryo in which all the body parts can be identified is called a foetus.
  • Embryo gradually develops into a foetus.

 

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