He is devoted to the study of neoplasms.

The study of nekton is an important part of marine biology.

I am majoring in biochemistry at university.

There are only inanimate objects in this room.

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

The use of bioweapons is prohibited by international law.

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

I love biology.

I am majoring in biology at university.

He is a world-renowned biologist.