Question

Which is an adaptation?

Answer 1

Answer:

An adaption is any heritable trait that helps an organsim, such as a plant or animal, survive and reproduce in its environment.  

Explanation:

Adaptation is the evolutionary process where an organism becomes better suited to its habitat. ... An example is the adaptation of horses' teeth to grinding grass. Grass is their usual food; it wears the teeth down, but horses' teeth continue to grow during life.

Answer 2

Answer:

I don't see any examples, but to help adatation is the process of adapting or being adapted.  

Example: A horses teeth grinding grass