Chapter 1 Que cards

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  1. Ecosystem:
    All the interacting parts of a biological community and its environment

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  2. Sustainable ecosystem
    an ecosystem that is capable of withstanding pressure and giving support to a variety of organisms
  3. biotic
    the living parts of an ecosystem

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  4. aboitic
    the non-living parts of an ecosystem

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  5. lithosphere
    the hard part of the earth's surface

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  6. hydrosphere
    all the water found on earth, including lakes, oceans, and ground water

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  7. atmosphere
    the layer of gases above earths surface

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  8. biosphere
    the regions of earth where living organisms exist

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  9. nutrients
    a chemical that is essential to living things and is cycled through ecosystems

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  10. eutrophication
    a process in which nutrient levels in aquatic ecosystems increase, leading to an increase in the populations of primary producers
  11. photosynthesis
    • a process that changes solar energy into chemical energy
    •                       light energy
    • 6 CO2 + 6 H2O -------------> C6 H12 O6 + 6 O2
  12. trophic level
    a category of organisms that is defined by how the organisms gain their energy

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  13. biomass
    the total mass of living organisms in a defined group or area
  14. trophic efficiency
    a measure of the amount of energy or biomass transferred from one trophic level to the next higher trophic level

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  15. bioaccumulation
    a process in which an organism ingests materials, especially toxins, faster than it eliminates them

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  16. biomagnification
    a process in which the concentration of ingested toxins increases as it moves from one trophic level to the next
  17. cellular respiration
    a process that releases energy from organic molecules, especially carbohydrates, in the presence of oxygen

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  18. fermentation
    a process that releases energy from organic molecules, especially carbohydrates, in the absence of oxygen

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  19. greenhouse gases
    an atmospheric gas that prevents heat from leaving the atmosphere, thus increasing the temperature of the atmosphere
  20. greenhouse effect
    the warming of earth as a result of greenhouse gases, which trap some energy, that would otherwise leave earth

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  21. acid precipitation
    rain, snow, or fog that is unnaturally acidic, due to gases in the atmosphere that react with water to form acids

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Chapter 1 Que cards
2013-09-17 21:48:20
science terms

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