Growth and Changes in Plants
Plants have parts that each do a job.
- Roots take in water and hold the plant; the stem carries water and supports it; leaves make food using sunlight; flowers help make seeds.
- Plants need sunlight, water, air, and soil to grow.
- A plant grows through a life cycle from seed to mature plant.
Leaves are a plant's food factory: they use sunlight to make the sugar the plant needs to grow.