An apple is a round fruit that grows on apple trees, belonging to the species Malus domestica. It typically has a smooth skin that can be red, green, or yellow. Apples are known for their crisp texture and sweet to tart flavor, making them a popular snack and ingredient in various dishes. When we refer to "2 apples," it means there are two individual fruits. They can be eaten fresh, sliced in salads, or baked in desserts like apple pie. Apples are also rich in vitamins and fiber, contributing to a healthy diet.