Earth Month Crossword Puzzle

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Across
  1. 2. variety at the genetic, species, and ecosystem levels on Earth
  2. 4. the act of protecting Earth's resources and species for the future
  3. 5. animal live present in an area or time period
  4. 6. the dying out of a species or group
  5. 8. the study of interactions among organisms and between organisms and their environment
  6. 10. repurposing materials instead of going to a landfill
  7. 15. something that has been released into the air, water, etc.
  8. 16. the removal of plant life for human use of land
  9. 17. an organism that carries pollen from plant to plant
  10. 18. supplies, aids, or services that benefit organisms
  11. 20. the act of keeping something as it is, protecting it from loss or danger
Down
  1. 1. the ability to be maintained at a certain rate or level
  2. 3. plant live present in an area or time period
  3. 7. an individual living thing that has the necessary parts to conduct life processes
  4. 9. substances that are harmful and put out into the environment
  5. 11. something that is able to be used more than once
  6. 12. materials that will break down on their own over time
  7. 13. the home or environment of an organism
  8. 14. materials and substances that will naturally replenish over time
  9. 19. removing species from their natural habitats faster than the species can naturally recover