Interactions and Ecosystems

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Across
  1. 3. How H2O moves and changes forms in a regular pattern
  2. 4. A biological community of living and non living things.
  3. 7. _________ footprint. A measure of our individual impact on the environment. Includes our use of resources, energy, and space.
  4. 8. The first organism to move into a barren area
  5. 11. An organisms that eats other organisms.
  6. 12. The simple pathway that shows how energy flows in an ecosystem.
  7. 13. The act of one animal killing another animal for food.
  8. 16. When a species is at risk of dieing out permanently.
  9. 17. Organism that feeds on flesh and plant matter
  10. 18. Process that uses energy from the sun to make sugar and oxygen
Down
  1. 1. Features that allow an organism to survive and reproduce.
  2. 2. A non living thing or factor
  3. 5. Symbiosis that is beneficial to both organisms
  4. 6. The predictable changes in species that live in an area over time
  5. 7. When no more of an organism is found on the Earth
  6. 9. An organisms that can make it's own food.
  7. 10. A type of consumers that gets their energy from consuming the remains of other animals.
  8. 14. An organism that can break down dead organisms and return nutrients to the ecosystem
  9. 15. An organism that feeds on a prey species.