Spring Semester Exam Review

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Across
  1. 5. The collection of a variety of species living in relation to one another.
  2. 6. A diagram showing the amount of energy found in each feeding level.
  3. 7. The area in the central United State where most hurricanes occur.
  4. 13. A chain of events describing which organism consume each other.
  5. 14. An organism that break down molecules of dead organisms.
  6. 15. The process where an organism's internal environment is kept stable.
  7. 17. The final stage of succession.
  8. 18. The breeding of offspring for certain traits.
  9. 20. The movement of sediment to a new area.
  10. 24. A species that is near extinction.
  11. 25. The idea that organisms that are better adapted to the environment will survive.
  12. 27. An area that collects water that is drained from higher elevations.
  13. 29. The food making process that represents a transformation from solar to chemical energy.
  14. 30. A message issued when conditions are present for a tornado to occur.
  15. 32. Water that flows across the earth's surface.
  16. 33. Changes that occur within an environment over time.
  17. 35. A structure that is made up of genes within a structure of a DNA molecule.
  18. 36. A plant's response to light.
  19. 37. The role of an organism within an environment.
  20. 38. an action that causes a response.
Down
  1. 1. A message issued when a tornado is sighted in your area.
  2. 2. A reaction to a stimulus.
  3. 3. A chart used to classify organisms.
  4. 4. A naturalist who proposed the theory of natural selection.
  5. 8. Genetic differences among organisms.
  6. 9. The process by which sediment is laid down in a new location.
  7. 10. A characteristic that helps an organism to survive.
  8. 11. The first species to live within an environment.
  9. 12. Process in which an action is stopped when a condition is met.
  10. 16. The type of succession caused by a forest fire.
  11. 19. Reproduction by one parent.
  12. 21. The movement of rocks and soil down a slope.
  13. 22. The break down of rocks.
  14. 23. A curve in a river caused by erosion.
  15. 26. The type of succession caused by a volcano.
  16. 28. Remains of living organisms that can be used for fuel.
  17. 31. An example of a pioneer species.
  18. 34. A mound of water produced by a hurricane.