PLS HELPP MEE due in 10 mins)

Which of the following systems in absorbing oxygen and releases carbon dioxide

What is one function of the embedded proteins

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