Please choose the correct answer to the question: Which stage of a frog's life cycle can be compared to a plant seed growing into a new plant?

Answer1: when frog eggs are laid in water Answer2: when frog eggs hatch into tadpoles Answer3: when tadpoles live in water and breathe with gills Answer4: when frogs use lungs for breathing out of water

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