6th Unit 3: Ecosystems

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Across
  1. 4. one organism (predator) eats another organism (prey) to obtain nutrients
  2. 5. the nonliving parts of an ecosystem
  3. 8. all the living and nonliving parts of an environment
  4. 10. the living parts of an ecosystem
  5. 11. one organism benefits while the other is neither helped nor harmed (win-meh relationship)
  6. 13. relationship where organisms compete for resources (food, light, water, shelter, mates, etc)
  7. 15. a large region of Earth that has a certain climate and certain types of living things
  8. 17. all of the water on Earth (lakes, oceans, clouds)
  9. 18. is all of the food chains in an ecosystem
  10. 19. a living thing that makes its own food from sunlight, air, water, and soil
Down
  1. 1. one organism benefits and the other organism (host) is harmed
  2. 2. outlines who eats whom in an ecosystem
  3. 3. all living organisms on Earth (plants, animals, bacteria)
  4. 6. both species benefit (win-win relationship)
  5. 7. a living thing that gets energy by breaking down dead plants and animals
  6. 9. the solid parts of the Earth; non-living (rock, soil, and landforms)
  7. 11. a living thing that cannot make its own food
  8. 12. all of the gases surrounding Earth (five layers)
  9. 14. resources whose stock or reserves is limited or fixed (oil, coal, natural gas)
  10. 16. resources that can be replaced over time by natural processes (ex. solar, wind, hydroelectric)