Amoebas prey upon algae in aquatic environments.

True

Explanation:

Amoeba are called amoeboid and are Eukaryotas (a one cell organisms known as unicellular) . The amoeba moves in a crawling fashion. Amoeba are shapeless engineer as the organism takes different shape.

Amoeba are tiny in a nature and are usually microscopic in nature . Amoeba  animals are found in small area of aquatic such as ponds , ditches and streams.

Amoeba feeds on various organisms like bacteria, algae , plant cells and microscopic protozoans . They devour this tiny particles of food by surrounding it with the pseudopods . They digest this food with the food vacuoles.  

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

the wires in the toaster turning red and the toast crisping and turning brown