Question

use the image to answer the questions about fossils.
fossil images
4 which fossil is the oldest?
a gastropod
b crinoid
c trilobite
d coral

Explanation:

To determine the oldest fossil, we use the principle of superposition in geology: older fossils are found in deeper (lower) rock layers. The trilobite fossil is located in the deepest (lowest) layer among the options, indicating it is the oldest.

Answer:

C. trilobite