Large predators and omnivores, such as mountain lions and bears, roam the Sky Islands of the ...

Large predators and omnivores, such as mountain lions and bears, roam the Sky Islands of the southwestern United States. Which of the following statements is TRUE?
A) Because of habitat fragmentation, the individual populations of these Sky Islands have more biodiversity than they did in the past.
B) Because of habitat fragmentation, the individual populations of these Sky Islands have less genetic diversity than they did in the past.
C) Because of immigration and emigration, the individual populations of these Sky Islands have less biodiversity than they did in the past.
D) Because of immigration and emigration, the individual populations of these Sky Islands have more biomass than they did in the past.
E) Because of extirpation, many of these individual populations have more biodiversity than they did in the past.