Understand that plants have a life cycle that includes sprouting; developing roots, stems, leaves, and flowers; reproducing; and eventually dying; Observe the changes that occur during plant growth ...

Do you know the difference between an annual, biennial and perennial plant? If not, here's everything you need to know.

The timing of when plants flower, fruit and reach other stages in their life cycle, impacts ecosystems around the planet. From better predicting when agricultural crops will be ready to harvest to ...