Chapter 4 Review: The Plant Kingdom

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Across
  1. 2. the waxy, waterproof layer that helps plants retain water
  2. 4. the type of reproduction plants undergo
  3. 5. biologists study these to learn which organisms were the ancestors of today's plants
  4. 11. a green pigment that absorbs light for photosynthesis
  5. 14. Plants and other organisms that can make their own food are this
  6. 15. a group of similar cells with a specific function in an organism
  7. 16. what plants do to green light
  8. 17. the cell wall is made of this
Down
  1. 1. another word for a fertilized egg
  2. 3. Surrounds and gives support to plant cells
  3. 5. the process of a sperm cell uniting with an egg cell is called
  4. 6. what plants do to red and blue light
  5. 7. an internal system of tubelike structures through which water and food move indie a plant
  6. 8. the colors of light that make up white light are referred to as this
  7. 9. the cell structure that makes chlorophyll
  8. 10. the process by which plants use carbon dioxide gas and water to create sugar and oxygen
  9. 12. ancestors of today's plants were probably ancient _____
  10. 13. the plant will wilt if too much water is lost from this saclike storage structure