Unit 2 Lesson 1 & 2

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Across
  1. 1. the process in which plants make their own food
  2. 4. factors the nonliving things in the environment
  3. 5. openings that can close and prevent water from escaping
  4. 7. this is produced during photosynthesis and humans need it to breathe
  5. 9. the evaporation of water from a plant's leaves
  6. 12. a type of species that is introduced to a new ecosystem and causes harm
  7. 13. the plant tissue through which water and minerals move up from the roots
Down
  1. 1. organisms that hunt for their food
  2. 2. a scientist who studies insects
  3. 3. a necessary item for photosynthesis to take place
  4. 6. factors all of the living things in an environment
  5. 8. the ability to perform work or change something
  6. 10. tissues that transport sugars to all parts of the plant
  7. 11. the place in an ecosystem where an organism lives