Ncert Exercises & Solutions

Q.37 While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.

The creation and presence of variations is directionless in regard that they occur randomly and spontaneously. The variations which are helpful in the adaptations of an organism towards its surroundings would be passed on to next generations.

Natural selection is the most critical evolutionary process, which can be considered directional as it leads to only one path that is selection and perpetuation af belter adapted individuals. Natural selection leads to survival of the fittest and disappearance of all those organisms which do not all fit in the preveling environmental conditions.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions