While Some May Consider That the Goal of Conservation Biology

While some may consider that the goal of conservation biology is to preserve all species on the planet, which of the following is a more accurate statement of conservation biology's goals?

A) Conservation biology is most concerned with preserving biodiversity hotspots so that the most species on the planet can be preserved.
B) Conservation biology concentrates on preserving levels of species diversity in communities to maintain ecosystem services provided by the species in that community.
C) Conservation biology only concentrates on regions where species diversity is declining faster than other areas on the planet.
D) Conservation biology only responds to the most dire circumstances and does not serve to predict areas that may need conserving in the future.