Answer :
A nonphotosynthetic primary consumer can weakly swim as long as it is not against the current zooplankton.
Zooplankton are the animal issue of the planktonic network. Plankton are aquatic organisms that are not able to swim effectively in opposition to currents, and therefore flow or are carried alongside by way of currents within the ocean, or by way of currents in seas, lakes or rivers.
Freshwater zooplankton are determined in the water in wetland regions which includes lakes, tarns, streams and swamps. they may be maximum ample nearer the floor as they devour phytoplankton (microscopic flora) which need mild to photosynthesise. Many species flow into shallower waters at night time.
In lakes and ponds, the maximum commonplace companies of zooplankton encompass Cladocera and Copepods (that are both micro-crustaceans), rotifers and protozoans. maximum lakes could have 40 or greater species of zooplankton commonplace to them.
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