Question

which period belongs to the paleozoic era and not the cenozoic era?
○ devonian
○ neogene
○ paleogene
○ quaternary

Explanation:

To solve this, we recall the geological time periods: The Paleozoic era includes periods like Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian. The Cenozoic era includes Paleogene, Neogene, Quaternary. So Devonian is in Paleozoic (not Cenozoic), while Neogene, Paleogene, Quaternary are in Cenozoic.

Answer:

A. Devonian