protozoan

""Washing your hands often helps prevent the spread of infections." "

"The student used a microscope to see the tiny cells in the plant leaf. "

"The documents pertaining to my car insurance claim are now all submitted. "

"The aggregated soil."

"The scientist studied the unicellular organism under a microscope. "

"My brother is primarily a student; he spends most of his time studying. "

"The library books are classified by subject, so finding a book on history is easy. "

"The characteristic smell of freshly baked bread always reminds me of my grandmother's kitchen. "

"Humans, animals, plants, and fungi are all examples of eukaryotes. "

"The tailor will according the suit to fit you perfectly. "

"The scientist studied the effects of different types of soil on plant growth. "

"The amoeba moved across the microscope slide by extending its pseudopods. "