Bio 1500 Mizzou Schul TEST 4 All Possible Questions and Answers with complete solution
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Course
Bio 1500 Mizzou Schul
Institution
Bio 1500 Mizzou Schul
Know the functions of the mammalian respiratory system - to supply oxygen to the cells which
they need to perform cellular respiration and to rid the body of CO2
Recall the reason for 'death-zone' - people who are at a certain elevation and above for more than
48 hours get insufficient oxygen
D...
Bio 1500 Mizzou Schul TEST 4
Know the functions of the mammalian respiratory system - to supply oxygen to the cells which
they need to perform cellular respiration and to rid the body of CO2
Recall the reason for 'death-zone' - people who are at a certain elevation and above for more than
48 hours get insufficient oxygen
Describe the hypothesized reasons for the decline in O2 during the late Permian - Land masses
form super-continent which led to a dryer climate and a reduction in photosynthesis which led to the
reduced burial of carbon and then O2 dropped as more carbon entered cellular respiration
residual lung volume - amount of air left in the lungs after exhaling
Explain why residual lung volume exists - keep the alveoli open even after maximum expiration
which allows for continual gas exchange to occur between breaths.
Explain how the circular processes of photosynthesis and cellular respiration result in the cycling of
carbon within ecosystems. - CR produces CO2 and water which PS uses to make O2 and glucose
which CR uses
Explain the two reasons for an imbalance in this cycle that led to the increased O2 during the
Carboniferous. - 1. Increase in photosynthesis
2. Burial of carbon- removed from the cycle
Explain the importance of Lignin on the rise and fall of O2 levels during the Carboniferous - Lignin
allows coal formation and allows excess O2 to stay in the atmosphere
Explain the importance of Lignin Decomposition on the rise and fall of O2 levels during the
Carboniferous - Lignin Decop did not allow coal formation and did not allow excess O2 to stay in
the atmosphere which increased PS
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