Which of the following is generally considered the era of mammals?

The reptiles,like dinosaurs,were dominant in the . . . . . . period.

Identify the organism based on the following characteristics:
- They were land reptiles.
- They had huge, fearsome, dagger-like teeth.

The rate of appearance of new life forms is linked to their

Identify the plants that are dominant during the Jurassic period.

The dinosaurs were at their peak during which period?