Respuesta :
Answer:
The characteristics that make a mammal a mammal include pres- ence of hair or fur, warm-blooded, young born alive, mammary glands and complex brain. 5) it has a larger and more complex brain than any of the other animal groups.
Explanation:
The characteristics that make a mammal a mammal include pres- ence of hair or fur, warm-blooded, young born alive, mammary glands and complex brain. 5) it has a larger and more complex brain than any of the other animal groups. 1. Name five animals in Illinois that are mammals.