Multiple choice

The lowest level of organization is

  1. cellular level

  2. ecosystem

  3. molecular level

  4. population level
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Molecular level is the most basic level of biological organization, consisting of atoms and molecules. Cellular level comes next, followed by tissue, organ, organ system, organism, population, community, ecosystem, and biome.

Keep practicing — related questions