Select the option that can be used as a one-word substitute for the given group of words.

One who studies insect life

Entomologist

The option that can be used as a one-word substitute for one who studies insect life is entomologist.

• Activist is a person who campaigns for or supports a political or social cause.
• Cardiologist is a doctor who specializes in the heart and blood vessels.
• Entomologist is a scientist who studies insects.
• Naturalist is a person who studies nature.