science-10th-class-cbse-notes

HOW DO ORGANISM REPRODUCE

  • Reproduction is the process by which living organisms produce new individuals similar to themselves. It basically involves the making of copies of the blueprints of the body
  • Reproduction ensures continuity of life on earth.
  • Chromosomes in the cell contain the information for the inheritance of features which are passed from generation to generation in form of DNA molecules.
  • so reproduction involves copying of DNA and other cell apparatuses. The copies will be similar to original and not identical.
  • This property is Variation which is the basis and necessary for the evolution of living beings.
  • Variations help the species to withstand drastic environmental changes, thus save the species from becoming extinct and promotes its survival for a longer time.

Type of Reproduction

Reproduction can be categorized in two types on basis of the number of parents evolving in the reproduction process.

  • Asexual Reproduction
  • Sexual Reproduction

TYPE OF REPRODUCTION

  • Asexual Reproduction is extremely useful as a mean of rapid multiplication. It is common in lower plants and animals.

 

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