8. Rich genetic variation signals a diverse biosphere. Explain the importance of genetic variation in the face of ecological disturbances, and give two examples of ecological disturbances that may affect a
population. (4 points)

How are tumors cells different from normal cells

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.