How do naturally occurring hormones affect plants?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity