Look at the picture showing the difference between punctuated equilibrium and gradualism. what provides the best evidence for gradualism? a) mass extinctions b) adaptive radiation c) convergent evolution d) transitional fossils

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

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.

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles