Sexual reproduction
a. increased genetic variation.
b. maintained the same gene combinations over time.
c. maintain a slow rate of evolutionary change.
d. limited the material in which natural selection can act upon.

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.