SCIENCE 9-ECOLOGY

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Across
  1. 4. Living things need food to give them____
  2. 7. ______consumers eat primary consumers.
  3. 12. _____ is the study of the interaction between living organisms and their environment.
  4. 13. Which animals eat only plants in their diet?
  5. 15. Humans are at the ______ of the food chain.
  6. 17. Which organisms break down organic material? _____
  7. 18. Which animals eat meat and plants in their diet?
  8. 19. Which carbon cycle process moves carbon from the atmosphere into plants? ___
  9. 21. Which eat only meat in their diet?
  10. 24. The Atlantic ocean is a good example of what sphere?____
  11. 25. Physical parts of an ecosystem are called ______ factors
Down
  1. 1. ______ consumers eat producers.__
  2. 2. A carbon _______ stores carbon dioxide.
  3. 3. Which group of organisms make their own food? ______
  4. 5. Which sphere includes mountains, volcanoes and inner landforms?____
  5. 6. What carbon cycle process moves carbon from plants back into the atmosphere?
  6. 8. What sphere is the layer of gas that surrounds earth?____
  7. 9. What sphere is the layer of planet earth that life exists on?_____
  8. 10. _______ agents free carbon into the atmosphere.
  9. 11. What gas do humans and animals exhale?___
  10. 14. What two-term naming system is a way of formally naming species?_______
  11. 16. What part of the carbon cycle increases the biomass of plants? _______
  12. 20. A ______ is an environment where living things work together with other species and their environment.
  13. 22. A ___ is the role a species plays in its ecosystem
  14. 23. Living things in an ecosystem are called _______ factors