He is learning about the handling of experimental animals.

Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.

He is a world-renowned zoologist.

My pet is a dog.

I was fascinated by the beauty of hyo.

This program receives data from standard input.

This table is completely flat.

Cnidarians are a type of marine life, including jellyfish and corals.

We went to the petting zoo on the weekend.

The ecosystem of zoobenthos is an important field of study in marine biology.