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Chapter6 10 APES
Chapter 6-10 Apes
What is biomass
organic material: living material and products of organisms
What is productivity
how fast biomass is made(rate of production)
what is energy
the ability to work or make something move
what are the units of energy?
Kilocalorie(kcal) and kilojoule(kj)
what is a kilocalorie and how many (kcal's) equal a calorie.
A kilocalorie is a food calorie and it equals 1000 calories
What are the two laws of therodynamics and explain them
: energy is neither created nor destroyed, it just changes form.
: when energy changes form, there is a loss of quality(usability).
What form of energy enters through the ecosystem
light from the sun
What form of energy exits through the ecosystem
what is photosythesis
autotrophs store light energy as chemical energy
What is the chemical formula for photosynthesis
6CO2 + 6H2O = C6 H12 O6
What is cellular respiration
Energy that is stored in biomass is released
What is the chemical formula for cellular respiration
C6 H12 O6 + 6O2 = 6CO2 +6H2O