A species of toad living in an area is similar in form to toad fossils found in very old rock. Which hypothesis does this observation support? (SC.912.L.15.1)
*
1 point
a. Toads living near the area have evolved slowly over time.
b. Toads evolved rapidly, because there are many variations in form.
c. This species of toad burrowed into the rock and became fossilized.
d. The toads living today migrated to the area from a different region.