Why are the tropics the most diverse areas?

a. they have no competition.

b. they have many primary disturbances.
c. they have the most invasive species.

d. they have stable levels of moisture.

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for