What is essential for the survival of a species but not an organism?

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

Describe the two types of vascular tissue

In general, are there any major differences that you can see? explain