Punnet Square Practice
please help!!!

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

What do scientists need to look at before developing an argument

What is the next step in muscle contraction after the actin changes shape? (apex)