What is the purpose of a plant's cell wall?

The shift of a vehicle's weight around its center of gravity is known as

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems