Please choose the correct answer to the question: A fox gave birth to an offspring that had a better sense of hearing than most foxes. How could this small change most likely result in descendants that are different from the original fox?

Answer1: Foxes that have a better sense of hearing may mutate more frequently than other foxes. Answer2: Foxes that have a better sense of hearing may be hunted more frequently. Answer3: Over time, descendants of this fox may hear and hunt prey better than other foxes. Answer4: Over time, descendants of this fox may become extinct.

Answer format: answer1/answer2/answer3/answer4