Question

Vascular plants first developed on Earth during the _______ period.

A. Cambrian

B. Ordovician

C. Silurian

D. Devonian

Answer 1

b

Step-by-step explanation:

The first land plants appeared around 470 million years ago, during the Ordovician period

Answer 2

The answer is "B"

Step-by-step explanation:

I took a test :)