Approximately how long would it take for a climax forest to return after a major disruption?
a. a few months
b. a few decades
c. hundreds of years
d. thousands of years

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

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment