Author Question: Organisms with the ability to be easily preserved as fossils began to flourish about A) 4.6 ... (Read 66 times)

biggirl4568 · **on:** Jul 29, 2018

Organisms with the ability to be easily preserved as fossils began to flourish about

A) 4.6 billion years ago.
B) 3.8 billion years ago.
C) 543 million years ago.
D) 65 million years ago.

Question 2

The emergence of terrestrial lifefor example, land plants, came about during the

A) Triassic.
B) Silurian.
C) Ordovician.
D) Carboniferous era.