the ability to migrate the ability to camouflage the ability to produce body scents the ability to produce body wastes
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Animals of the same species may have difficulty recognizing each other. Which adaptation most likely developed to help animals recognize each other?
Possibilities:
- the ability to migrate
- the ability to camouflage
- the ability to produce body scents
- the ability to produce body wastes

the ability to produce body scents