He is an expert in paleobotany.

He is known as a person with learning.

There are various types of plants in my garden.

His eyes are very sharp.

He received the letter challenging him to a duel and began preparing for the duel.

Plants of the Malvaceae family are known for their beautiful flowers.

Gender roles are an important element in defining individual behavior in society.

His role is to fulfill his responsibilities as a leader.

It is important to understand the importance of health.

This library adopts its own classification method.