Chapter 18 Terms Crossword Puzzle

Edit Answers
1234567891011121314151617
Across
  1. 3. zone The bottom surface of an aquatic environment.
  2. 4. Pertaining to the living factors—the organisms—in an environment.
  3. 5. zone The part of an ocean or lake beneath the photic zone, where light does not penetrate sufficiently for photosynthesis to occur.
  4. 9. The study of how organisms interact with each other and their environment.
  5. 10. zone The part of the ocean’s benthic zone between 2,000 and 6,000 m deep.
  6. 12. zone The narrow top layer of an ocean or lake, where light penetrates sufficiently for photosynthesis to occur.
  7. 14. The mixing of waters as a result of changing water-temperature profiles in a lake.
  8. 15. The long-term prevailing weather conditions at a given place.
  9. 16. The transition from one type of habitat or ecosystem to another, such as the transition from a forest to a grassland.
  10. 17. zone The open-water component of aquatic biomes.
Down
  1. 1. The uppermost layer of vegetation in a terrestrial biome.
  2. 2. Climate pattern on a very fine scale, such as the specific climatic conditions underneath a log.
  3. 3. The communities of organisms living in the benthic zone of an aquatic biome.
  4. 6. A plot of the temperature and precipitation in a particular region.
  5. 7. A narrow stratum of abrupt temperature change in the ocean and in many temperate-zone lakes.
  6. 8. A natural or human-caused event that changes a biological community and usually removes organisms from it.
  7. 11. Nonliving; referring to the physical and chemical properties of an environment.
  8. 13. Dead organic matter.