What problem facing the volga river is mike edwards describing and what has caused that problem

Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a. organisms would evolve to increase variety b. natural selection would operate faster c. less food would be available d. evolution through natural selection would not occur

How are plants alike and different from their parents

Arid and semiarid subcategories are part of which climate