a behavior that occurs only in adult fish a behavior that occurs only in small mammals a behavior that an animal learns how to do over time a behavior that an animal is born knowing how to do
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following describes an instinctive behavior?
Possibilities:
- a behavior that occurs only in adult fish
- a behavior that occurs only in small mammals
- a behavior that an animal learns how to do over time
- a behavior that an animal is born knowing how to do

a behavior that an animal is born knowing how to do