Part C A scientist wants to study snails in an ecosystem. The snails move slowly and are incapable of traveling long distances.
Which method would be most effective? Which method would be least effective? Use the information you put in the chart
to explain your reasoning.
Science

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

Which sequence correctly shows the path of carbon dioxide during repiration?

Match the description of each organism to the appropriate category