What are the differents between mammals and other animals?

What are the differents between mammals and other animals? what are some differents between the lives of Chinese and Br what's the differents between assignment and homework?Thank What is the differents between chinese food and japenese foo What's the differents between "educate" and "bring up" ... What's the differents between "sit an exam" and "set an exam 英语翻译The most common animals are mammals ,birds ,fish and ins what are the differences between services and 1.Some animals are big,and ___ are small.A.other B.the other What are the differences between children nowadays and the o What are the similarities and dissimilarities between the th The relationship between human beings and animals