a. They are locations that have high concentrations of endemic species.
b. They consist of large numbers of surprisingly common species.
c. They only involve terrestrial plants.
d. They make up a total of about 15% of the global land surface.
e. They are all geographically situated in the tropics.
b. They consist of large numbers of surprisingly common species.
c. They only involve terrestrial plants.
d. They make up a total of about 15% of the global land surface.
e. They are all geographically situated in the tropics.