Describe one of the many paths a carbon molecule can take through the carbon cycle.

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 enzyme is most important for dna replication and why?

Which characteristics are typical of a human population in the postindustrial stage?