Geologists have long recognized that earthquakes are not randomly distributed on earth but occur in concentrated areas that coincide with and provide evidence for the theory of . a) mountain ranges; fault zones. b) plate boundaries; plate tectonics. c) continental borders; supercontinents. d) areas of liquid magma; sea floor spreading.

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england