Describe the different levels of consumers in pond ecosystem.

Explanation

In pond ecosystem, the primary consumers include zooplanktons like Paramoecium, Daphnia etc., The bottom dwelling benthic organisms include molluscs and annelids. The water beetle and frogs form the secondary consumers. Ducks and cranes constitute the tertiary consumers (carnivores). Large fish, hawk man etc., are the top carnivores in pond ecosystem.