Since different minerals form under different the minerals in a rock contain clues about the conditions in which the rock formed. a)environmental conditions
b)time periods
c)colors

How do adaptation affect a species?

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid