Science Unit 4 Lesson 1 and 2

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Across
  1. 4. air is made of this and carbon dioxide
  2. 7. release of water vapor mainly through the small openings in the underside of leaves
  3. 10. physical trait or behavior that helps an organism survive
  4. 12. this helps plants turn nutrients into sugars
  5. 13. plants need this and most don't like being crowded
Down
  1. 1. structures found inside an organisms body
  2. 2. plants response to water, gravity, light and touch
  3. 3. structures found outside of an organisms body
  4. 5. change in an environment that causes an organism to respond
  5. 6. studies animals
  6. 8. the reaction or change in behavior of an organism
  7. 9. helps plants make food and gives support
  8. 11. a basic need for a plant