Please complete this as using the second picture as ur resource

Organisms within a population must compete for resources to survive

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

Explain how organisms could be harmed by high levels of salt from roadways?