All organisms are composed of one or more basic units of life is called

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

Select the star life cycle that is accurate

The part of the eye that closes and opens to let light in is .