He believes in the philosophy of materialism.

A lion is a type of carnivore.

What is the famous product of this region?

This area is known for producing a variety of minerals.

He and his brother look so alike, they seem like the very same person.

He is an expert in malacology, focusing particularly on the study of snails.

He is an expert in paleontology.

Many immigrant plants live in this park.

He is an expert in astrophysics.

This factory reuses the byproducts produced during the manufacturing process.