Please choose the correct answer to the question: What shows that as the size of a flower increases , the number of pollinators it will attract increases?

Answer1: butterflies blend in with flowers where they exist Answer2: ducks prefer to sleep in water that has flowering water lilies Answer3: people prefer to walk through gardens that have a large number of flowering plants Answer4: planting flowering plants causes bees to gather en masse

Answer format: answer1/answer2/answer3/answer4
Answer: answer4