Chapter 3 Vocabulary

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Across
  1. 2. factor nonliving
  2. 7. year-to-year conditions of temperature and precipitation of an area
  3. 9. layer in a rain forest found underneath the canopy
  4. 11. a group of similar organisms
  5. 12. zone dark layers of the ocean, no sunlight
  6. 14. all the water above and below Earth's surface
  7. 15. zone sunlight region near the surface of the water
  8. 17. thin layer of gases that surround Earth
  9. 18. kind of a wetland formed where a river meets the ocean
  10. 19. part of Earth in which life exists including land, water, or air
Down
  1. 1. different populations that live together in the same area
  2. 3. factor living
  3. 4. dense covering formed by the top of leafy tops of tall rain forest trees
  4. 5. material formed from decaying leaves and other organic matter
  5. 6. a group of ecosystems that share similar climates and organisms
  6. 8. day-to-day conditions of the atmosphere including temperature, precipitation, and other factors
  7. 10. layer of permanently frozen subsoil found in the tundra
  8. 13. all of the rock at and below Earth's surface
  9. 15. group of individuals of the same species
  10. 16. all the organisms that live in a place, together with their nonliving environment