Mammals were not contemporaries of the dinosaurs. select the best answer from the choices provided t f

False

Explanation:

There were several mammals during the age of dinosaurs that were contemporaries of  dinosaurs.  

For example –  

a)Megazostrodon – Megazostrodon were the first mammal that emerged some 220 million years ago. They resembled to rats of present time, had hairy body , feed upon insects and reptiles, produce milk for their young ones and also has three kinds of teeth just like mammals.  

b)Didelphodon – These mammals resembled the  size of present day cat and possesses characteristics of both dinosaurs and mammals ( milk production, three kind of teeth, body hair).

I'll try to answer as many as I can! I might not be able to do all of them but I will try.

Explanation:

3:D

4:H

8:B

Sorry this is all I know but I hope it helps!