Adaptations are the most important features of all organisms. An adaptation is a trait or characteristic that makes an animal survive or reproduce better in its environment. These traits can be morphological, physiological, or behavioral. Adaptations include almost all kinds of traits, such as what makes an organism blend into its surroundings, find food, mate with the correct species, and be able to survive.

An example of a morphological adaptation that increases the chance of survival is the coloration of an animal. Most animals that live in the arctic snow are white. Being white helps them blend in with the snow and hide from predators. An example of a physiological adaptation that increases the likelihood of survival is the kangaroo rat's metabolism. Kangaroo rats live in the desert of the North American Southwest. It is extremely hot and dry there, and very little water is available. The kangaroo...