Every plant has roots that grow out of the seed.  The roots have hairs that take water to the main part of the root. Roots also make the plant more stable in the ground. There are four parts to a root: the epidermis (outside part), vascular rays, stele ( center of the root), and xylem ( vein that carry the water and food to the plant). 

The stem transports water and food, and provides support for the rest of the plant.  Xylem cells move water and phloem cells move food through the plant. The leaves manufacture food through photosynthesis. 

Plants depend on air, water, sunlight, and soil to grow. When a plant grows it develops flowers.  Some plants don't produce flowers so they produce spores that fall off the leaves and these spores act like seeds to continue the life cycle. 

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