The amphibians are believed to have arisen from ancestral:

A) chondrichthyean fishes.
B) actinopterygian fishes.
C) reptiles.
D) sacropterygian fishes.
E) amphibians.

Sacropterygian Fishes

An ancient group of lobe-finned fishes, some of whose descendants evolved into terrestrial vertebrates.

Ancestral

Relating to or inherited from an ancestor or ancestors.

Amphibians

Amphibians are a class of cold-blooded vertebrates that include frogs, toads, salamanders, and newts, characterized by their ability to live both on land and in water.