Chapter 3 Crossword

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Across
  1. 3. An opening on the surface of a leaf that allows gases and water to enter and exit.
  2. 4. Part of plant that absorbs light as energy for the plant.
  3. 6. Plant movement in response to touch.
  4. 7. Plant movement in response to exposure to light.
  5. 8. This type of reaction allows plants to make food with carbon dioxide instead of light.
  6. 11. The type of species that lives in an area or environment that it is not originally from.
  7. 12. Plant movement in response to gravity.
  8. 13. The process by which water is pulled up through the xylem of a plant.
  9. 17. The type of species that originates from the area and environment it lives in.
  10. 18. The type of control of invasive species involves pulling or taking a species out of the environment by force.
  11. 19. When a certain species is in danger of extinction; there is a very small population left on earth.
Down
  1. 1. Any movement in a plant that occurs in response to a stimulus.
  2. 2. Plant movement in response to where the Sun is.
  3. 5. This type of reaction allows plants to make food by absorbing light with chlorophyll.
  4. 9. When a certain species has died off; there is no more of that species still living.
  5. 10. The type of control of invasive species involves using a native species to eat and control invasive species.
  6. 14. The type of species that is exotic and competes with native species, causing harm and damage.
  7. 15. The type of control of invasive species involves using chemicals to kill off invasive species.
  8. 16. These kind of molecules send signals to certain cells to switch on or switch off different plant functions.