5. The type of climax vegetation that becomes established in an area depends most upon the

(1) rate of photosynthesis in autotrophs (3) climatic conditions present

(2) number of carnivores present (4) concentration of nitrogen in the air

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

How does the carbon cycle involve an exchange of carbon

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.