Question

why is variation beneficial to the species but not necessarily for the individual ​

Answer 1

variations are beneficial to the species than individual , because for sometimes for a species the environmental conditions change so drastically, that makes difficult for the species to survive.

however all variations are not beneficiary.

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.