Multiple choice

The very minute or microscopic organisms freely floating on the surface of water in a pond are known as

  1. herbivores

  2. omnivores

  3. plankton

  4. decomposes

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

Plankton are small or microscopic organisms that float or drift in water bodies. Phytoplankton (plants) and zooplankton (animals) form the base of aquatic food chains. Herbivores, omnivores, and decomposers are ecological roles, not the floating organisms themselves.