What are protozoa?
Q: What are protozoa?
A: Protozoa are small, single-celled heterotrophic eukaryotes that consume bacteria and other food sources.
Q: Are protozoa simple organisms?
A: Despite being small, protozoa are not simple organisms.
Q: What is the wider term preferred for protozoa today?
A: The wider term preferred for protozoa is protist.
Q: Why is the term "protozoa" problematic?
A: The term "protozoa" is problematic because modern biochemical and genetic techniques have shown that it includes several quite different kinds of cells.
Q: Where are protozoa found?
A: Protozoa are found only in moist or aquatic habitats.
Q: What are some of the different roles that protozoa play in their environment?
A: Many protozoan species are symbionts, some are parasites, and some are predators of soil bacteria and algae.
Q: How many protozoan species are known?
A: About 30,000 protozoan species are known.
