What characteristics set mammals apart from other vertebrates

there are 8 main characteristics

Explanation:

1. hair and fur

2. mammary glands

3. single boned lower jaw

4. one time tooth replacement

5. three bones in middle ear

6. warm blooded metabolism

7. diaphragm

8. four chambered heart

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

true is the