• Plants have specialized organs that help them survive and reproduce in a great diversity of habitats.
  • Major organs of most plants include roots, stems, and leaves.
  • Roots are important organs in all vascular plants.
  • Most vascular plants have two types of roots: primary roots that grow downward and secondary roots that branch out to the side.
  • Together, all the roots of a plant make up a root system.
  • Roots have three major jobs: absorbing water and minerals, anchoring and supporting the plant, and storing food.
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