protozoan
Example Sentences
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Giardia duodenalis is a microscopic protozoan parasite known for causing outbreaks of severe diarrhea.
From Science Daily ● Dec. 21, 2025
It’s not yet clear, however, exactly how the Amazonian variant wards off the protozoan invader.
From Science Magazine ● Mar. 7, 2023
It's a protozoan, similar to the malaria parasite.
From Salon ● Nov. 1, 2022
One common protozoan disease known to occur in birds, which evolved from feathered dinosaurs, as well as in people is called trichomoniasis, caused by a parasitic protozoan.
From Reuters ● Oct. 1, 2022
Scientists in Czechoslovakia are experimenting with protozoa against webworms and other insect pests, and in the United States a protozoan parasite has been found to reduce the egg- laying potential of the corn borer.
From "Silent Spring" by Rachel Carson
The host of life on ice includes bacteria, viruses, fungi, protozoa, even microscopic animals like nematodes, some dead and some alive in suspended animation.
From Salon ● Apr. 24, 2025
It seems miraculous that, over billions of years, our planetary circumstances enabled protozoa to evolve into people.
From New York Times ● Nov. 12, 2023
Bottom line: If you must have tropical milkweed, cut it down to the ground each fall before it goes to seed, to kill any overwintering protozoa and reduce its potential to spread to neighboring areas.
From Los Angeles Times ● Oct. 30, 2023
Food turns into compost through the hard work of small microorganisms like bacteria, fungi, and protozoa.
From National Geographic ● Sep. 26, 2023
Insects are beset not only by viruses and bacteria but also by fungi, protozoa, microscopic worms, and other beings from all that unseen world of minute life that, by and large, befriends mankind.
From "Silent Spring" by Rachel Carson
The researchers explored whether the holes had been caused by an infection involving microbes called protozoans.
From Reuters ● Oct. 1, 2022
The broadest definition of “parasite” includes pathogens such as bacteria, viruses, fungi and protozoans.
From Scientific American ● May 18, 2022
Researchers also have identified the single-celled species that are the closest relatives to the animal kingdom — tiny aquatic protozoans that prey on bacteria.
From New York Times ● May 4, 2018
And just like a tapeworm or malaria protozoans, it doesn’t care if it disables or kills its host.
From Slate ● Mar. 29, 2017
The scoutmaster had given them a long lecture about disrupting nature—by the end of it, Jonah felt guilty about how many protozoans he’d probably killed.
From "Found" by Margaret Peterson Haddix
Vocabulary lists containing protozoan
Microbiology - High School
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Marine Biology - Middle School
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Marine Biology - High School
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