Question

Reason of diversity in living beings is due to
(a) mutation
(b) long term evolutionary change
(c) gradual change
(d) short term evolutionary change

Answer 1

Answer:

a) mutation

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Answer 2

Reason for diversity in living beings is due to Mutation. So, option (a) is the correct choice.

• Mutation and adaptation go hand in hand. Living beings need to adapt to changes in the environment in order to survive.
• Now, to adapt, mutation is very much essential. It is a change in the DNA sequence of a living body.
• Living beings need to develop new characteristics for survival.
• So, mutation over a continuous period leads to a permanent change in the DNA structure.
• One example of mutation is the lengthening of the neck of a giraffe over ages.