When you think of a seed, do you think of something tiny? Many seeds are, especially those of strawberries and kiwi fruit. An avocado has one very large seed, or pit, the size of a golf ball. A new plant can be started from this pit. Suspend the avocado pit with toothpicks perched on a glass so the bottom two-thirds of the pit is always submerged in water. After a few weeks the pit develops a large crack. In a few more weeks, a root appears from the submerged end, followed in another week or so by a stem from the top. Finally, the emerging plant can be planted in soil.Which of the following can be inferred from the passage?