How are chromatids and chromosomes related?

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

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

Scientific evidence is most likely to be consistent if it is based on data from