Ecology Crossword (M.P.1)

12345678910111213141516171819202122
Across
  1. 4. the path of energy through the trophic levels of an ecosystem
  2. 6. regular progression of species replacement
  3. 7. succession that occurs in areas where there has been previous growth (ex: forest fires, forest clearings)
  4. 8. the many different species that live together in a habitat
  5. 11. a symbiotic relationship in which both species benefit (ants and aphids)
  6. 15. place where a particular population of a species lives
  7. 17. the specific set of environmental conditions required by an organism
  8. 18. Organisms that make their own food, producers
  9. 19. succession that occurs where plants have not grown before (ex: volcanoes, receding glaciers)
  10. 20. the first organisms to live in a new habitat; usually small, fast growing plants
  11. 22. two or more species live together in a close, long-term association
Down
  1. 1. the physical, or non-living aspects of a habitat
  2. 2. both herbivores and carnivores
  3. 3. a community and all of the physical aspects of its habitat (soil, air, water, weather)
  4. 5. Organisms that consume producers for food, consumers
  5. 8. one species benefits and the other is neither harmed nor helped
  6. 9. one organism feeds on and usually lives on or in another, does not usually kill the host (ticks)
  7. 10. number of species living within an ecosystem
  8. 12. third trophic level, animals that eat herbivores
  9. 13. the living organisms of a habitat
  10. 14. second trophic level, animals that eat plants or other primary producer
  11. 16. a complicated, interconnected group of food chains
  12. 21. Study of interactions of living organisms with one another and with their physical environment