Final answer:
A field study in biology is an experiment conducted in an animal's natural habitat or environment to observe and collect data on their behaviors and interactions.
Step-by-step explanation:
In biology, an experiment conducted in the natural habitat or environment of an animal is called a field study. Field studies involve observing and collecting data on animal behaviors and interactions in their natural surroundings, such as a local park, zoo, or school campus. These studies help biologists understand how animals exchange information, communicate, and adapt their behavior based on environmental stimuli.