1) The rate of evolutionary change  may be slow and steady  and is referred to as 2)   describes long periods of status bound by episodes of sudden change

3) The change in the genetic makeup of population due to chance is called

1) gradualism

2) i have no idea

3)  Evolution

Explanation:

the answer is tropical areas. the tropical areas obtain more

radiant energy from the sun than they lose to space through terrestrial

radiation, and vice versa for polar areas. earth has an energy remaining in the

tropics and an energy scarcity for the polar areas.

explanation:

condenser is used to focus in the light microscope.