Question

Diversity of living organism is due to

• A. Mutation
• B. Gradual changes
• C. Long term evolutionary change
• D. Short term evolutionary change

Answer 1

The correct option is C

Long term evolutionary change

The correct option is C:

Explanation of the correct option :

Long term evolutionary changes bring the variations among the species. Though mutation provides the source of variation, the diversity in living beings is due to the natural selection of variations and consequent evolutionary change over a long periods of time.

Explanation of the incorrect option:

Option A:

Mutation provide variation but not enough to cause diversity instantly.

Option B:

Gradual changes are in term of evolution required.

Option D:

Short term evolution does not cause diversity of living organisms.

Final answer: Diversity of living organism is due to long term evolutionary change.