I am a single-celled, prokaryotic organism that lives in the large intestines of mammals like humans. I reproduce asexually by binary fission and can reproduce this way very fast

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 statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system