Question

In some shallow South American lakes, visiting flamingoes and resident fishes compete for their common food, the

• A. Phytoplankton
• B. Zooplankton
• C. Insects
• D. Both $A$ and $B$

Answer 1

The correct option is B Zooplankton

Zooplankton are weakly swimming aquatic organisms that usually drift with water currents. They usually feed on phytoplanktons. Resident fishes and visiting flamingoes of South American lakes compete for zooplankton.