Used Occasionally. protozoa is one of the 30000 most commonly used words in the Collins dictionary.
It is a species of hardy deciduous flowering shrub in the genus Dasiphora (formerly Potentilla) of the family Rosaceae, native to the cool temperate and subarctic regions of the northern hemisphere, often growing at high altitudes in mountains.
Bhut Jolokia, a variety of chile pepper originating in Assam, India, has earned Guiness World Records' recognition as the world's hottest chile pepper by blasting past the previous champion Red Savina. Fruits of Bhut Jolokia on plants grown in the field at the Leyendecker Plant Science Research Center.