What is the best definition of animal adaptation? Characteristics of an animals habitat. Changes to an animal's diet. Characteristics that help animals survive. Skills learned in order to hunt.

## Step 1<br />The question is asking for the best definition of animal adaptation. Animal adaptation refers to the changes or modifications that an animal undergoes to survive in its environment. These changes can be physical, behavioral, or physiological.<br /><br />## Step 2<br />Looking at the options, we need to identify which one best fits the definition of animal adaptation. <br /><br />## Step 3<br />Option A, "Characteristics of an animal's habitat", does not define animal adaptation. While the habitat can influence an animal's adaptation, it is not the definition of adaptation itself.<br /><br />## Step 4<br />Option B, "Changes to an animal's diet", is a type of adaptation, but it does not encompass all types of adaptations.<br /><br />## Step 5<br />Option C, "Characteristics that help animals survive", is the most comprehensive definition of animal adaptation. It includes all types of adaptations, whether physical, behavioral, or physiological, that help an animal survive in its environment.<br /><br />## Step 6<br />Option D, "Skills learned in order to hunt", is a type of adaptation, but it does not define all types of adaptations.