Protozoology

Definition

Protozoology is the branch of microbiology that studies protozoa, which are single-celled eukaryotic organisms. These organisms are often found in aquatic environments and can be free-living or parasitic.

5 Must Know Facts For Your Next Test

1. Protozoa are classified based on their movement mechanisms: flagella, cilia, pseudopodia, or non-motile.
2. Some protozoa can cause diseases in humans, such as malaria caused by Plasmodium species.
3. Protozoa reproduce through various methods including binary fission, multiple fission, and sexual reproduction.
4. They play a crucial role in nutrient cycling by breaking down organic material in ecosystems.
5. Many protozoa have complex life cycles that can include both asexual and sexual stages.

Review Questions

• What are the primary modes of locomotion used by different classes of protozoa?
• Name a disease caused by protozoa and identify the organism responsible for it.
• How do protozoa contribute to nutrient cycling in ecosystems?

Related terms

Eukaryote: An organism whose cells contain a nucleus surrounded by a membrane.

Parasitology: The study of parasites and their interactions with host organisms.

Microorganism: A microscopic organism such as bacteria, viruses, archaea, fungi, and protozoa.