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16 Cards in this Set
- Front
- Back
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what are the 4 ways oxygen is used up?
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ozone formation, rusting of metals and minerals, fire, respiration (major)
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what are the 4 ways oxygen is produced?
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phytoplankton photosynthesis and plant photosynthesis (the two major ones), also water vapor destruction and ozone destruction
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what are the three ways that water goes into the air?
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transpiration, evaporation from land, evaporation from water
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where does the excess water (the stuff that isn't evaporated or transpired) go in the water system?
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stream flow; runs back into the ocean
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how does water leave a watershed?
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a river or through stream flow
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what are the 4 ways carbon dioxide enters the air?
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fuel burning, respiration, fire, and decomposition
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what are the three ways carbon dioxide leaves the air?
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photosynthesis (phytoplankton), photosynthesis (plants), and dissolving into ocean
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carbon dioxide is one of the principal gases involved in ___________.
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the greenhouse effect
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what human activity worries those who think global warming is a problem?
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adding too much carbon dioxide (burning coal, oil, and wood) and enhancing greenhouse effect
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is human-produced global warming occurring now?
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no
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what is nitrogen fixation?
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conversion of nitrogen gas into chemically active molecules that organisms can use
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what are the 2 ways nitrogen goes back into the environment?
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animal waste and dead animals being decomposed
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what fundamental assumption of macroevolution does mutualism seem to contradict?
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species should compete w/ each other for survival
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mutualistic relationships: goby and ____
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blind shrimp
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mutualistic relationships: blue streak wrasse and ___
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oriental sweetlips
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mutualistic relationships: clownfish and ___
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sea anemone
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