How can fossils BEST help paleontologists and biologists classify organisms?

Responses

AFossils allow scientists to predict what species will become extinct.
Fossils allow scientists to predict what species will become extinct.
BFossils are useful for reconstructing pedigrees and showing family traits.
Fossils are useful for reconstructing pedigrees and showing family traits.
CFossils allow scientists to have an idea of the time scale that traits evolved.
Fossils allow scientists to have an idea of the time scale that traits evolved.

DFossils allow scientists to always determine the closest living relative to the fossil.
Fossils allow scientists to always determine the closest living relative to the fossil.

has to be one of the answers above

B. Fossils are useful for reconstructing pedigrees and showing family traits.