Relationships within Ecosystems

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Across
  1. 8. energy forms can be transformed into another form
  2. 9. number and variety of different species in an area
  3. 10. make their own food
  4. 13. different populations that live together
  5. 14. relationship between two species
  6. 15. both organisms benefit from relationship
  7. 18. Baxter's mom
  8. 19. feeds on other organisms, one benefits and other is harmed
  9. 20. number of individuals in an area of a spec size
  10. 21. anything naturally occurring in the environment that humans use
Down
  1. 1. release of energy from food without oxygen
  2. 2. the disappearance of all members of a species
  3. 3. many overlapping food chains in an ecosystem
  4. 4. process using sunlight to make food
  5. 5. best school in the world
  6. 6. diagram showing amount of energy in system
  7. 7. breaks down biotic waste and dead material
  8. 11. one organism benefits and other is neither helped nor harmed
  9. 12. living parts of environment
  10. 16. where an organism lives, grows, reproduces
  11. 17. practice of using less of a resource so it can last longer