Computer models are a critical part of population viability analysis because

A) modeling is better than collecting data.
B) field data can be imprecise, and computers are highly precise.
C) computer models can predict the future with uncanny accuracy.
D) although computer modeling is more expensive than data collection, it allows the scientists to work more efficiently.
E) PVA requires projecting what will happen in the future, and computer models are the best approach.