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

Biotechnology plays a very important role in the medical field.

I am majoring in developmental biology at university.

I am very interested in marine biology.

He is an expert in paleozoology and has a deep knowledge about the ecology of dinosaurs.

He has a deep interest in paleozoology.

My major is chemical engineering.

He is an expert in ethology.

He is an expert in sociolinguistics.

I am very interested in sociolinguistics.