Question

If variations do not exist, the survival is not possible. Why ?

Answer 1

Answer:

if variations do not exist then the survival is not possible because if there is no variations in gene then coming generation will not adopt the favourable conditions to survive .

Answer 2

If the variation does not exist and survival is not possible because everyone may face a risk of living.

Explanation:

• It is called as the variation of survival and sustenance.

• When a population is exposed to a new disease, the selection will act on "genes for resistance" to the disease if they survive in the population.
• In a population, more individuals are given birth than can survive.
• The available natural resources are finite (food, water, space, etc.)
• This causes an "inevitable struggle" for existence among individuals.

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If variation do not exist survival is not possible why?

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