Multiple choice

The most highly evolved organisms belong to the class

  1. Reptilia

  2. Amphibia

  3. Pisces

  4. Mammalia
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mammals are considered the most recently evolved and complex vertebrate class. They possess advanced neural development, endothermy, complex social structures, and diverse adaptations. While all classes are evolved for their niches, mammals show the highest degree of encephalization.

Keep practicing — related questions