Plant Structures

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Across
  1. 4. the structure that holds a plant in the ground and
  2. 6. a reaction to a stimulus
  3. 7. something in the environment that causes the living thing to respond
  4. 9. pores in the bottom of leaves that open and close to let in air or give off water vapor
  5. 10. the structure that holds up the plant
  6. 11. a plant structure where seeds are made in some nonflowering plants
Down
  1. 1. a structure or behavior that helps an organism survive in its environment
  2. 2. the process through which plants make food
  3. 3. the release of water vapor of a plant
  4. 5. the using and releasing of energy in a cell
  5. 8. the structure where the plant produces its food