I grated the cucumber and topped it on the salad.

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

In this library, books are classified by genre.

He is an expert in ornithology, studying types of birds all over the world.

The police used tear gas against the demonstrators.

Taxonomy is an important tool for understanding the diversity of life.

He is an expert in paleoanthropology, investigating archaeological sites around the world.

He used a thesaurus to find suitable words for writing his essay.

He was sprayed with tear gas during the demonstration.

A large family meeting was held where all relatives gathered.