Ecosystems and Biochemical cycles

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Across
  1. 4. the ability to do work
  2. 6. the colonization of a habitat that once supported plant and animal life but was abandoned due to ecological disturbance
  3. 11. a community or group of living organisms that live in and interact with each other in a specific environment
  4. 12. the chemical process by which organic compounds release energy
  5. 13. an organism that mostly feeds on plants
  6. 15. an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
  7. 16. Renewable Energy from Plants and Animals
  8. 18. any component of the ecosystem that is devoid of life
  9. 19. organisms that feeds on plants or other animals for energy
  10. 20. feeding on animal wastes
Down
  1. 1. organism that breaks down dead organic material
  2. 2. the position of an organism in the food chain
  3. 3. those that predate upon primary consumers
  4. 5. an organism that eats plants and animals
  5. 7. carnivores at the top of the trophic pyramid
  6. 8. an organism that eats other plants or animals for energy and nutrients
  7. 9. the process of gaseous water turning into liquid water
  8. 10. when a new area of land is populated by a group of species for the first time
  9. 14. living organisms that are part of an environment
  10. 17. organisms that make their own food