Question

Propose an explanation why there might be a sudden appearance of a species in the fossil record.

1.The fossil record is incomplete and the previous members of the lineage did not leave a fossil.
2.The fossil record is complete.
3.That species lived in an area that had an abundance of water and mud.
4.Fossils could not be found in that layer of rock

Answer 1

Fossils could not be found in that layer of rock

Answer 2

Sudden Appearance of a Spieces in Fossil Record - Option 4

There might be a sudden appearance of a species in the fossil record because fossils could not be found in that layer of rock. Fossils are the remain of the organisms which do not exist now.

But they were in the ancient times where there are archives of the fossils or imprints. For instance, dinosaur.