Taxonomy is the science of finding, understanding, and naming species of organisms.

I love biology.

He ate one apple.

In this library, books are classified by genre.

He categorized the books by genre.

What is the unit of measure for this product's weight?

Her dress was a vivid lemon color, and it stood out.

He is known as a person with learning.

Cell biology is the study of the structure and function of cells, which are the basic units of life.

I am very interested in marine biology.