What are two forms of selection other than overdominance that could maintain genetic variation within populations? How might one other evolutionary force (besides selection) contribute to such variation? Briefly explain your answer.

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto