Question

what do you understand by organisms and why do they adapt?​

Answer 1

Question= What do you understand by adaptation in organisms and why do they adapt?

Answer:

An adaptation is a modification or change in the organism's body or behaviour that helps it to survive. Animals adapt so that they can perform a task easily or to provide them with an easier method of survival.

Answer 2

Adaptation is the adjustment of the organism to their environment in order to improve their chances of survival in that environment.
According to the Darwinian theory of the survival of the fittest, organism adapts to their surroundings to become fit to survive in advice or changing conditions.