Fish first appeared:
A) after the "Age of the Dinosaurs" during the Mesozoic Era.
B) during the Ordovician Period of the Paleozoic Era.
C) in the Cretaceous Period of the Mesozoic Era.
D) when amphibians dominated the oceans.
E) when land plants evolved during the Carboniferous Period.

Question

Quizplus · Accepted Answer

Fish first appeared during the Ordovician Period of the Paleozoic Era, which occurred between 485 and 444 million years ago.

Fish First Appeared