The answer would be analogous and convergent evolution. In evolutionary biology, convergent evolution is the procedure whereby creatures not carefully related, self-sufficiently evolve alike traits as an outcome of taking to familiarize to like surroundings. The beaks can be described as analogous since there is a similarity of structures that came from different origins.
Answer: the capsation (the chemical that causes the hot, burning taste/sensation) causes pain and discomfort in the animal attemptng to eat the plant therefor protecting it.
False, they are inexhaustible. If we were to use the resource as much as possible, it would exhaust and not be able to be used again.