A. Someone who studies the relationship between plants and people.

More recently his works study the relationship between international trade and the organization of firms.

He studies the relationship between man and nature, especially as expressed in literature.

Eliot studied the relationship between the two interesting old men.

It studies the relationship between altered states of consciousness and culture.

The school, which at the time was studying the relationship of monkeys' behavior and blood pressure, told them "No, thank you".

He studied the relationship between the growth of insects and temperature.

It studies the relationship between the body systems, pathogens, and immunity.

Scientists are studying different populations and relationships to try to learn more about the disease.

This distinction has been used to study the relationship between moods and personal goals.