Plankton is the name given to all the organisms in water that exist in a drifting, floating state. What type of plankton is the primary food source, either directly or indirectly, of all sea organisms?zooplanktonphytoplanktonmegaplanktonholoplankton

Which of the following describes plankton?Question 2Select one:a.diverse group of mostly microscopic organisms that drift in marine and fresh water systems and serve as a food source for larger aquatic organismsb.diverse group of exclusively microscopic organisms that drift in marine and fresh water systems and serve as a food source for larger aquatic organisms.c.diverse group of exclusively microscopic organisms that drift in fresh water systems and serve as a food source for larger aquatic organisms.d.diverse group of exclusively microscopic organisms that drift in marine ecosystems and serve as a food source for larger aquatic organisms.

Planktons are free floating, unicellular organisms. They are either plant like or animal like. They belong to the kingdomArchebacteriaProtistaEubacteria

What organisms form the base of the marine ecosystem?Multiple choice question.CoralsZooplanktonPhytoplanktonSardines

Select organisms that are common in lakes and ponds.Multiple select question.CoralsSea urchinsInvertebratesPhytoplanktonZooplankton

Unattached aquatic organism which lives at the air-water interface is known as :(1) Periphyton(2) Plankton(3) Neuston(4) Nekton