Question

what is variation beneficial to to the species

Answer 1

Variations are beneficial for the survival of thespecies. Populations of organisms fill well-defined places, or niches, in the ecosystem, using their ability to reproduce. However, niches can change because of reasons beyond the control of the organisms and could even wipe out the entire population.

Answer 2

Variation refers to the differences in the characters or traits among the individuals of a species .
causes of variations ,
1.environmental variation (pollution, diet, chemicals,etc )
2. genetic variation (mutation, sexual reproduction, etc)