Match each feature to its description

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

The response is the basis for vaccination. primary secondary tertiary none of the above

How do living things obtain phosphorus