Ecology

Edit Answers
12345678910111213141516171819202122232425262728293031
Across
  1. 2. Organisms that get food from dead organic matter.
  2. 4. Organisms that produce their own food.
  3. 6. respiration A process that releases energy when food and glucose is broken down in presence of oxygen.
  4. 11. Organism that eat plants
  5. 12. scientific study of interactions between organisms and their environment.
  6. 13. Relationship between two species in which they live closely together.
  7. 15. Organism that eat both plants and animals.
  8. 16. groups of similar organisms that can breed and produce fertile offspring.
  9. 17. All organisms in one area.
  10. 19. The sum of the variety of organisms in the biosphere.
  11. 20. Biologic influence on organisms within an ecosystem.
  12. 22. Factor Factor where the growth of the population decreases.
  13. 25. symbiotic relationship in which both species benefit from each other.
  14. 26. step in a food chain or food web.
  15. 29. Capacity The most a enviroment can support a species.
  16. 30. Chain series of steps an ecosystem in which an organism transfers energy by eating and being eaten.
  17. 31. Light from the sun.
Down
  1. 1. places where life exists on earth including land, water, and air or atmosphere.
  2. 3. relationship where one organism benefits and the other organism is neither helped nor harmed.
  3. 5. Cycle the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land.
  4. 7. become more rapid (growing).
  5. 8. Process where plants turn light into energy.
  6. 9. Physical and biological conditions in which an organism lives and the way in which the organism uses those conditions.
  7. 10. different populations that live together in a defined area.
  8. 14. Web The network of food chains.
  9. 18. non-living part of ecosystem.
  10. 19. total amount of living tissue within a given trophic level.
  11. 21. Organisms that rely on other organisms for food.
  12. 22. growth pattern in which a population's stop growing or growth rate slowes down.
  13. 23. Cycle the circulation of nitrogen in various forms through nature.
  14. 24. dioxide heavy colorless gas that is formed by burning fuels, by the breakdown or burning of animal and plant matter.
  15. 27. organism that obtains energy from the food it consumes.
  16. 28. Cycle