Amoeba is not considered under phytoplankton because the amoeba does not synthesize their own food in the aquatic habitat. It depends on other to capture the food.
What do you mean by Phytoplankton?
Phytoplankton may be defined as plantlike classes of microscopic algae that live arrested in bodies of water such as oceans.
Diatoms is one of the most common examples of phytoplankton, while dinoflagellates and unicellular green algae also belong to the category of phytoplanktons.
Therefore, the amoeba is not considered under phytoplankton.
To learn more about Phytoplanktons, refer to the link:
https://brainly.com/question/279176
