In order to better understand the extent of current extinctions it will be necessary to do which of the following?

Focus intensely on identifying more species of mammals and birds.

Differentiate between plant extinction and animal extinction.

Use the average extinction rates of vertebrates as a baseline.

Identify more of the yet unknown species of organisms on our planet.

In order to better understand the extent of current extinctions it wil

1.	In order to better understand the extent of current extinctions it will be necessary to do which of the following?
A.	Focus intensely on identifying more species of mammals and birds.
B.	Differentiate between plant extinction and animal extinction.
C.	Use the average extinction rates of vertebrates as a baseline.
D.	Identify more of the yet unknown species of organisms on our planet.
Answer» E.