Question

★ Moderator and Biology Darwin ★

Reproduction is essentially a phenomenon that is not for survival of an individual but for continuation of species. justify.


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Answer 1

Answer:

For survival, an individual needs energy which it obtains from life processes such as nutrition and respiration. Reproduction does not provide energy for survival. Instead, reproduction ensures transfer of genetic material from one generation to the next which helps in continuation of species.

Answer 2

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(a) Organisms need energy for survival which they obtain from life processes such as nutrition and respiration.

(b) Reproduction needs a lot of energy.

(c) Genetic material is transferred from one generation to the next as a result of reproduction through DNA copying.

(d) DNA copying takes place with high constancy and considerable variations, that is, advantages to the species for stability in the changing environment.