Please choose the correct answer to the question: A dung beetle is an insect that gathers waste from animals, rolls it into a compact ball, lays eggs in it, and buries it in the soil. This gives the eggs a warm, safe place to hatch and provides a food source for the developing larvae. Which impact does the dung beetle most likely have on its ecosystem?

Answer1: It helps return nutrients to the soil. Answer2: It makes animal waste harder to degrade. Answer3: It causes an unhealthy accumulation of animal waste. Answer4: It depletes nutrients from the soil to benefit its young.

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