THE PERSON WHO GETS THE ANSWER RIGHT GETS 20 POINTS, ALSO THE ANSWER IS NOT OAK.
A rock with different fossils is shown below:
A diagram labeled Fossil Layers is shown. The topmost layer is labeled Fish and shows the skeleton of a fish, the second layer from the top is labeled Shell and shows a shell, the third layer from the top is labeled Fern and shows a fern leaf, and the lowermost layer is labeled oak and shows an oak leaf
Based on the fossil, which organism evolved last? (3 points)
a
Fern
b
Fish
c
Oak
d
Shell