Question

Variations prove to be beneficial to species but variants have unequal chances of survival. Why?

Answer 1

hey...MATE !!
here's ur answer..
1) variations may prove to be advantageous or disadvantageous to the variant as the life span of the individual is so small.

variant with variations is not easily accepted into the group.

2) Variation are selected through natural selection that's why it has unequal chances of survival.

Answer 2

Answer:

The reason why the variation is beneficial to the species than individuals is because sometimes the climatic changes have a drastic effect on the species which makes their survival difficult. For examples, if the temperature of the water body increases, then are might be certain species of microorganisms which might die. This may result in disturbance in the environment. So, variation is beneficial to species and not for the individuals.