aerobe

"Professor Davies is a learned scholar, renowned for her deep knowledge of ancient history. "

"The single-celled organism was studied by the biology students in their science class. "

"The scientist examined the sample and found a bacterium, a tiny cell without a nucleus, under the microscope. "

"Any painter can benefit from the presence of a live model from which to draw."

"My sister is very helpful, especially when it comes to organizing things. "

"We need oxygen to breathe. "

"He is a student of life."

"The doctor identified the specific bacteria causing the student's illness. "

"My son is taking biology classes at school, learning about different types of plants and animals. "

"My sister's approach to studying, unlike mine, is to focus on detailed notes. "

"After a long and difficult illness, my grandmother finally survived. "

"I can tolerate working on Saturdays, but not on Sundays."