JThe three eras within the Phanerozoic eon are Paleozoic (ancient life), _____ (middle life), and Cenozoic (recent life).

Question

Archean

Jurassic

Mesozoic

Proterozoic

Answer 1

The three eras within the Phanerozoic eon are Paleozoic (ancient life), Mesozoic (middle life), and Cenozoic (recent life).