The Five Classes Of Vertebrates Based On Physical Features
First We need to talk about physical and behavioural features
Physical : Physical features are based off of what animals physically have. For example You might say a fish is a amphibian because it has gills. Physical features can also be a bad way of classifying animals.
Behavioural features are based off of how animals behave in their habitat or when they are threatened. An example a reptile would be classified as a mammal because they both roam around on land. This might be one of the most