Respuesta :
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. Â
Some common examples of structural adaptations are - Â
- Fur of bear
- Bill of bird Â
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. Â
Therefore, option D is correct