Question

only variations that confer an advantage to an individual organism will survive in a population .do you agree with this starement. why or why not?

Answer 1

Answer:

yes I agree with this statement.

Explanation:

when temperature increases in some condition then only few bacteria can survive. Hence variation is necessary for organic evolution. It enhances the chances of an individual in environmental condition

Answer 2

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It is agreeable that only variations that confer an advantage to an individual organism will survive in a population. All variation does not necessarily provide an equal chance of survival to an organism in the environment. Survival chances highly depend on the nature of variations. For example- variation leading to the increase of heat-resistant bacteria is beneficial to the bacteria for its survival when it finds itself in a condition where suddenly there is an increase in the temperature of its habitat above the optimum temperature required for survival.