Question

Which aspect is an example of structural adaptation?

Answer 1

Answer:

Option D

Explanation:

Any change in the physical structure of any of the body part of living beings as a process of evolution is termed as structural adaptation. This adaptation makes an individual able to survive in the prevailing environmental condition.  

Some common examples of structural adaptations are -  

- Fur of bear

- Bill of bird  

Of all given options, option D, -bill lengths of carnivores only depicts some change in the physical feature while rest all represent some change in functional features.  

Therefore, option D is correct

Answer 2

bill lengths of carnivores