Environmental Systems & Societies: Final Review

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Across
  1. 2. The cumulative, gradual change in the genetic characteristics of successive generations of a species or race of an organism, ultimately giving rise to species or races different from the common ancestor.
  2. 7. The mass of organic material in organisms or ecosystems, usually per unit area.
  3. 8. A guide that is used to identify species
  4. 9. Feedback that tends to damp down, neutralize or counteract any deviation from equilibrium, and promotes stability.
  5. 12. The current value of all goods and services produced in a country per year
  6. 16. Non-living natural resources that depend on the energy of the Sun for their replacement are referred to as this.
  7. 18. A technology-centered environmental philosophy
  8. 20. A community of organisms that is more or less stable, and that is in equilibrium with natural environmental conditions such as the climate; the end point of ecological succession.
Down
  1. 1. The orderly process of change over time in a community
  2. 2. The percentage of energy transferred from one trophic level to the next
  3. 3. A country with low to moderate industrialization and low to moderate average GNP per capita
  4. 4. The release of pollutants from numerous, widely dispersed origins; for example, gases from the exhaust systems of vehicles.
  5. 5. That part of the Earth inhabited by organisms, that is, the narrow zone (a few kilometers in thickness) in which plants and animals exist.
  6. 6. A generic term for heterogeneity
  7. 10. A nature-centered environmental philosophy
  8. 11. The number of years it would take a population to double its size at its current growth rate.
  9. 13. A vertical section through soil, from the surface down to the parent material, revealing the soil layers or horizons.
  10. 14. A people-centered environmental philosophy
  11. 15. A term sometimes used by economists for natural resources that, if appropriately managed, can produce a “natural income” of goods and services
  12. 17. Water-bearing rock
  13. 19. Habitats that are either managed or undisturbed, and minimize disturbance in the protected area from outside influences such as people, agriculture, pests and diseases
  14. 20. A group of populations living and interacting with each other in a common habitat.