Environmental Science 1

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Across
  1. 2. while chemical substances are recycled in an ecosystem, ______ flows through an ecosystem
  2. 5. the living parts of an ecosystem such as plants, animals, fungi
  3. 6. all of the organisms and the physical environment in which they live
  4. 8. planned management and responsible use of natural resources
  5. 14. the continuous cycling of water in solid, liquid and gas states as it moves through the Earth-atmosphere system is called the ____ cycle
  6. 15. the prevention of natural resources from being consumed for human use
  7. 16. organisms that feed on other organisms
  8. 17. the ______ capacity of an ecosystem is the number of individuals of a species that a habitat can sustainably support
  9. 20. an individual member of a species population
  10. 21. the surface, hydrosphere, and atmosphere of Earth which is occupied by living organisms
  11. 22. the original source of all of the energy in an ecosystem
  12. 23. in anthropocentrism ______ are the primary concern
  13. 25. then non-living parts of an ecosystem including soil, water, climate, sunlight
  14. 26. an organism that lives on or in another organism and feeds on it
  15. 29. in this environmental ethic, importance is placed on the entire environment, not just the living organisms
  16. 30. the 5 major types are desert, tundra, grassland, forest, and aquatic
Down
  1. 1. describes a non-native species that can harm native populations and/or the environment
  2. 3. the prefix bio- means
  3. 4. a group of populations of 2 or more species living in the same area
  4. 7. a substance introduced into an ecosystem that is harmful
  5. 8. a possible path of energy flow in which each organism is eaten by the next
  6. 9. nonrenewable ______ are natural materials that cannot be replaced within a human lifetime
  7. 10. the change in the mix of species and the habitat over time
  8. 11. making food using sunlight, water, and carbon dioxide; done by plants and algae
  9. 12. certain chemicals are used and reused over and over again in an ecosystem creating biogeochemical _____
  10. 13. a group of the same species living in the same area
  11. 18. describes resources that can be replenished within the span of a human lifetime
  12. 19. close long-term relationship between 2 different species
  13. 24. organic compounds are compounds that contain this chemical element
  14. 25. a species adjusts to changes in its environment
  15. 27. the set of interconnected food chains within a given ecosystem is known as the food ______.
  16. 28. plants and algae that can make their own food