Ecosystems

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Across
  1. 2. environment.
  2. 5. - second trophic level, animals that eat plants or other primary producer
  3. 8. - the path of energy through the trophic levels of an ecosystem
  4. 10. - Organisms that consume producers for food, consumers
  5. 12. - a complicated, interconnected group of food chains
  6. 13. - Organisms that make their own food, producers
  7. 15. - the physical, or non-living aspects of a habitat.
  8. 18. - third trophic level, animals that eat herbivores
  9. 19. - a community and all of the physical aspects of its habitat (soil, air, water,
  10. 21. - the many different species that live together in a habitat
  11. 22. - the act of one organism feeding on another
Down
  1. 1. - a specific level in an ecosystem based on the organism’s source of
  2. 3. - organisms that consume producers for food (animals).
  3. 4. - obtain energy from organic waste and dead bodies, release nutrients
  4. 6. into environment (decomposers: worms, bacteria, fungi)
  5. 7. - organisms that first capture energy and that make their own food (plants).
  6. 9. - both herbivores and carnivores
  7. 11. - Study of interactions of living organisms with one another and with their
  8. 14. - place where a particular population of a species lives
  9. 16. - the living organisms of a habitat.
  10. 17. - major biological community that occurs over a large area of land
  11. 20. - number of species living within an ecosystem