Question

do all variation survive?​

Answer 1

Answer:

No, variations do not survive. Variations that are not suitable or advantageous to the organism in the prevailing environmental conditions are not maintained. Environmental factors act on these variants and the variant most suited to the existing environment would survive

Answer 2

Answer:

No, variations do not survive. Variations that are not suitable or advantageous to the organism in the prevailing environmental conditions are not maintained. Environmental factors act on these variants and the variant most suited to the existing environment would survive.