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VIDEO - 0 min 11 s
Planktonic animals are known as zooplankton. Like phytoplankton, these microscopic animals live in the water column.
Zooplankton is composed of unicellular and multicellular organisms that obtain energy by consuming living organisms and organic matter. They are incapable of photosynthesis.
Adult Bullfrog and tadpole of Northern Leopard Frog
Zooplankton is an important food source for numerous benthic species, fish and amphibians. It plays a major role in the food chain.
Many types of zooplankton filter algae, protozoa and bacteria from the water, improving water transparency.
These organisms control algae, preventing them from asphyxiating the aquatic ecosystem.