Cách sử dụng
Protozoan refers to a type of single-celled organism that lives in water or soil. They are found everywhere in the world, including fresh and saltwater, and often play an essential role in their ecosystems. Protozoa can be harmful, like the one that causes malaria, or helpful, like the ones that break down organic matter in soil. Overall, protozoa are an essential part of the natural world and contribute to the health of our planet.