Science Flash cards Ecosystems

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Science Flash cards Ecosystems
2012-09-19 16:35:42
Aamir101 Science flash cards

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  1. What is a Ecosystem?
    • An Ecosystem consists of all the interacting parts of a biological community and the communities environment
    • Ex: Lakes, Forests, Deserts 
  2. What is a Sustainable ecosystem?
    A Sustainable Ecosystem is a ecosystem thatis capable of withstanding preassure and giving support to a variety of different reasources
  3. What is Biotic?
    • Biotic is a term that describes all living or recentley living parts of the ecosystem.
    • Ex: Plants-producers, Animals, Fungi
  4. What is Abiotic?
    • Abiotic is a term taht describes all non-living parts of a ecosystem that organisms need to survive.
    • Ex: Water, Air, Light 
  5. What is the Lithosphere?
    The Lithosphere is the hard part of the earths surface;includes salt water oceans, fresh water lakes and rivers.
  6.  What is the Hydrosphere
    The Hydrosphere is the liquid part of the earths surface; includes salt water oceans, fresh water lakes, rivers
  7. What is the Atmosphere?
    The atmoshere is the layer of gasese above the earths surface; includes air
  8.  What is the Biosphere?
    The Biosphere is the living part of the earths surface; not seperate from other Abiotic spheres;includes life in soil, water and air
  9. What are Nutrients?
    • Nutrients are Chemicals that are needed by living organisms.
    • Nutrients cycles include
    • Water
    • Carbon
    • Nitrogen
    • Phosphorus
  10. What is Eutrophication?
    Eutrophication is the cause of overgrowth of algea and the process deposits of nature
  11. What is Photosynthesis?
    Photosynthesis is the conversion of solar energy to chemical energyto be used as food it can be carried out by plants, algea, and some bacteria
  12. What are Tropic levels?
    Tropic levels are catagories of organisms defined by how the organisms gain energy.
  13. What is Biomass?
    Biomass is the total mass of living organisms in a defined group
  14. What is Trophic efficency?
    Tropic efficency is the measure the amount of enrgy or biomass that is passed down from one organism to the next
  15. What is Bioaccumualation?
    Bioaccumualation isa process in which materials especially toxins are ingested by an organismat a rate greater than they are elimenated
  16. What is Biomagnification?
    Biomagnification is the increase of concentration on the toxins as it moves from one tropic level to the next
  17. What is cellular resperation?
    Cellular resperation is the process of turning Glucose into energy
  18. What is Fermentation?
    Fermentation  is the process of using yeast or bacteria to convert sugar or other carbohydrates into an acid
  19. What are green house gasses?
    Green house gasses are gasses that go to the atmosphere weaking our ozone layer hence being more prominent to sunlight. Ex: carbon
  20.  What is Green house effect?
    Green house affect is when gasses such as carbon go into our atmosphere therefor damaging the ozone layer as the gases cannot escape. Increasing the amount odf sunlight in a given area
  21. What is acid precipitation?
    Acid precipitation is when carbon dioxide is put into the atmosphere and goes throught the water cycle this event makes the Carbon dioxide become sulfric asid when percipitation occures