When darwin compared a glyptodont fossil to a living armadillo what did he conclude
a. species vary globally
b. species vary locally
c. species vary over time
d. species 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?
a. the fossil and the living species will have identical features
b. the fossil and the living species will have some similarities and some differences
c. the fossil and the living species will differ only