Pond has biotic and abiotic components
(a) Biotic – Phytoplankton, Zooplankton, small fishes, large fishes, frogs, snake ,etc.
(b) Abiotic - water, dissolved organic and inorganic substances, sunlight, temp. Phytoplankton (microscopic plants) – producers.
Zooplankton (microscopic animals) – primary consumers .Small fishes - secondary consumers. Large fishes, frog, snails – tertiary consumers.
