How do adaptations develop and why are adaptations needed?

Adaptations happen when a certain species needs to change,because of the area around it. It could be the small amount of reliable food sources,or human interactions are increasing. Adaptations help to make sure that animals and plants wills ruvive,and as climate change and heating mpact the earth,it will help insure that they survive through difficult challenges.

Hope that helped!-Nea

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.