Which of the Following Preservation Tactics Would Have the Greatest

Multiple Choice

Which of the following preservation tactics would have the greatest impact on saving the largest number of species?

A) Preserve a large tract of land that contains source populations of keystone species.
B) Preserve several small tracts of land that contain source populations of keystone species.
C) Preserve a large tract of land that contains sink populations of keystone species.
D) Preserve a large tract of land that contains source populations of flagship species.
E) Preserve multiple small tracts of land that each contain source populations of keystone species.