Question

how does the creation of variations in a species promote its survival?

Answer 1

Variation and Evolution: Variants help the species to survive in all the conditions. Environmental conditions such as heat, light, pests, and food availability can change suddenly at only one place. ... Thus, variation helps in the evolution of sexually reproducing organisms.

Answer 2

It is true that all variations and mutations in species will not have equal chances to survivein the environment. According to 'Survival of the fittest', only the species which can adapt themselves to the environment can survive. Selection of the variants occurs by the different environmental factors.