Thinking about evolutionary development, which of the four major classes of vertebrates is the least advanced?

Name: Thinking about evolutionary development, which of the four major classes of vertebrates is the least advanced?
Brand: Quizplus
Rating: 4.9 (46 reviews)

Question

Quizplus · Accepted Answer

Fish are considered the least advanced class of vertebrates because they were the first to evolve. They form the base of the vertebrate evolutionary tree, with amphibians, reptiles, and mammals evolving from fish ancestors at later stages.

Thinking About Evolutionary Development, Which of the Four Major Classes