Question

3/10
when we placed all of our michigan fossils in this timeline, what we discover?
brachiopods lived in every time period
there are some gaps in the fossil record where there are no fossils
several dinosaur fossils have been found in michigan
there are lots of animals that lived in michigan

Explanation:

Fossil records are rarely complete; environmental conditions needed for fossilization are not constant, and erosion or lack of sedimentation can create gaps. Michigan's fossil record has well-documented gaps, and dinosaur fossils are extremely rare there, while brachiopods did not live in every time period, and the statement about "lots of animals" is too vague compared to the gap observation.

Answer:

there are some gaps in the fossil record where there are no fossils