An animal is a vertebrate. it is warm-blooded and has feathers on its body. which class does it belong to? reptilia aves mammalia

Aves

Birds are warm blooded and have feathers

Mammalia's are warm blooded but have hair that cover the body

Reptilia's are cold blooded and their bodies are usually covered in scales.  

Hopefully this helped and good luck

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics