We went to the petting zoo on the weekend.

As the name suggests, onychophorans are a unique group of animals that have claws.

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

He has a deep interest in paleozoology.

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

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.

He exercises every day and leads a healthy life.

Fundamental knowledge of mathematics is necessary to solve advanced problems.