Ecology- part 1

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Across
  1. 4. The percentage of light used by plants
  2. 7. Organisms that live in extreme conditions
  3. 8. The percentage of energy passed to each level of a food chain
  4. 11. How well an organism convert energy to biomass
  5. 13. Feature that helps an organisms to survive
  6. 16. Make their own food
  7. 17. Arrows in a food chain show the flow of ...........
  8. 18. The mass of living material
  9. 19. A non-living factor
Down
  1. 1. Adaptations help organisms to do this
  2. 2. Organisms in a food chain rely on each other
  3. 3. An adaptation an organisms does
  4. 5. Interlinked food chains are known as a food ......
  5. 6. A physical adaptation of an organism
  6. 9. Animals that hunt and kill other animals
  7. 10. A living factor
  8. 12. Eat producers
  9. 14. The ........... levels of a food chain
  10. 15. Animals that are killed as a food source
  11. 16. The shape of diagrams of biomass