Can materials diffuse through a membrane in both directions at the same time?

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

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

What type of pollution does household garbage cause