APES

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Author:
jadileh
ID:
135432
Filename:
APES
Updated:
2012-02-15 00:38:51
Tags:
Chapter6 10 APES
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Description:
Chapter 6-10 Apes
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  1. What is biomass
    organic material: living material and products of organisms
  2. What is productivity
    how fast biomass is made(rate of production)
  3. what is energy
    the ability to work or make something move
  4. what are the units of energy?
    Kilocalorie(kcal) and kilojoule(kj)
  5. what is a kilocalorie and how many (kcal's) equal a calorie.
    A kilocalorie is a food calorie and it equals 1000 calories
  6. What are the two laws of therodynamics and explain them
    • 1st law: energy is neither created nor destroyed, it just changes form.
    • 2nd law: when energy changes form, there is a loss of quality(usability).
  7. What form of energy enters through the ecosystem
    light from the sun
  8. What form of energy exits through the ecosystem
    heat
  9. what is photosythesis
    autotrophs store light energy as chemical energy
  10. What is the chemical formula for photosynthesis
    6CO2 + 6H2O = C6 H12 O6
  11. What is cellular respiration
    Energy that is stored in biomass is released
  12. What is the chemical formula for cellular respiration
    C6 H12 O6 + 6O2 = 6CO2 +6H2O

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