Earth Day and Arbor Day

123456789101112131415161718
Across
  1. 1. a blend of two plant varieties
  2. 3. planted to enrich soil for the next crop
  3. 4. seasonal travel of birds
  4. 5. diagram that depicts where foods come from
  5. 7. mighty tree that grows from an acorn
  6. 9. someone who eats all types of foods
  7. 12. author of Gorillas in the Mist
  8. 13. popular fruit originating in Kazakhstan
  9. 15. garden friends who digest compost
  10. 17. when we pack up our campsite, we
  11. 18. study of the environment
Down
  1. 2. the author of Silent Spring
  2. 4. fungi that grow from decaying wood and leaves
  3. 6. American folk hero who planted trees
  4. 8. a plant handed down through generations
  5. 10. what to do with produce trimmings
  6. 11. author of My Life with the Chimpanzees
  7. 14. bugs that help flowers make seeds
  8. 16. attractive landscaping in dry climates