Multiple choice

Which of the following consists of a group of interbreeding organisms?

  1. Class

  2. Species

  3. Family

  4. Genus

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A species is defined as a group of interbreeding organisms that can produce fertile offspring. This biological species concept emphasizes reproductive isolation as the key criterion. Higher taxa like class, family, and genus contain multiple species and do not necessarily represent interbreeding groups.