He is an expert in paleontology.

He is an expert in aerobiology, engaged in the study of microorganisms in the atmosphere.

He is an expert in biophysics.

Molecular biology is a field of study that understands life phenomena at the molecular level.

I am majoring in developmental biology at university.

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.

What is this organism?

A day has 24 hours.

Every morning, my mother lights incense at the Buddhist altar.