when darwin compared a glyptodont fossil to a living armadillo what did he conclude

Aspecies vary globally

Bspecies vary locally

Cspecies vary over time

Dspecies vary when isolated

you have found the fossil of an ancient, extinct species , you compare it to a modern living species that is closely related. which of the following could you reasonably expect to observe?

Athe fossil and the living species will have identical features

Bthe fossil and the living species will have some similarities and some differences

Cthe fossil and the living species will differ only