The process by which organisms make more organisms of the same kind is called

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur