Articles > Freshwater Communities & Plankton – Quiz Freshwater Communities & Plankton – Quiz Quiz Choose the best answer. 1. Microscopic photosynthetic organisms Phytoplankton Zooplankton 2. Photosynthetic bacteria in freshwater Phytoplankton Zooplankton 3. Microscopic heterotrophs Phytoplankton Zooplankton 4. Examples are rotifers and crustaceans Phytoplankton Zooplankton 5. Consumed by herbivores Phytoplankton Zooplankton Send Your Results (Optional) Your Name To Email Time's up
