Fact 1: Ethologists usually study how animals behave in their natural environment.

Fact 2: Ethologists study animal behavior.

Given the two facts above, answer the question "What usually studies how animals behave in their natural environment?" with the following options: 
- psychologists
 - zookeepers
 - looseness of dirt or compost
 - it's state
 - that material's properties
 - teachers
 - sensory neurons
 - animal behaviorists


 

        animal behaviorists 