Answer:
Zooplankton - Animals (mostly microscopic) which drift freely in the water column.
Explanation: Zooplankton, small floating or weakly swimming organisms that drift with water currents and, with phytoplankton, make up the planktonic food supply upon which almost all oceanic organisms are ultimately dependent.
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Because you wouldn’t want to harm others and they would want to know what there putting
It's the nucleus as it contain the DNA
Vacuoles store water in plants
