My biological clock is disrupted, and I've been having sleepless nights.

The study of benthos is an important field in marine biology.

Invasive species can have a major impact on the natural environment.

He is an expert in molecular biology.

Biotechnology is a science that understands the mechanisms of life and utilizes them.

My brother is a famous biologist.

We learned about the importance of sex education at school.

The rise and fall of the Roman Empire is a part of history.

He has been working on this project for many years.

He is studying classical literature.