Question

the incompleteness of the fossil record suggests: evolution is impossible to study; fragmentary evidence can still support evolutionary principles; we know nothing about prehistoric life; fossil evidence is unreliable

Explanation:

The fossil record is incomplete, but even fragmentary evidence can provide insights into evolutionary processes. Evolution is still a well - supported scientific theory despite the gaps in the fossil record. Just because the record is incomplete doesn't mean we know nothing about prehistoric life or that fossil evidence is unreliable.

Answer:

Fragmentary evidence can still support evolutionary principles