protozoa Definition
any of a large group of one-celled organisms (called protists) that live in water or as parasites. They are classified by their method of movement, such as cilia or flagella, and by their method of obtaining food, such as photosynthesis or ingestion..
Using protozoa: Examples
Take a moment to familiarize yourself with how "protozoa" can be used in various situations through the following examples!
Example
Protozoa can be found in soil, water, and other living organisms.
Example
Malaria is caused by a protozoan parasite.
Example
Some protozoa have chloroplasts and can carry out photosynthesis.
Summary: protozoa in Brief
Protozoa [proh-tuh-zoh-uh] are single-celled organisms that live in water or as parasites. They are classified by their method of movement and how they obtain food. Examples include malaria-causing parasites and photosynthetic protozoa.
