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Environmental Science 101, Exam 1 With Complete Solutions
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Environmental Science 101, Exam 1 With Complete Solutions
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Environmental Science 101, Exam 1 WithComplete Solutions
Sustainability Answer: the ability of ecosystems and human cultural systems to survive, flourish, and
adapt to constantly changing environments over long periods of time
Ecosystem Answer: group of organisms in a defined geographic area interacting with each other and
with their environment
Organisms Answer: living things
Species Answer: group of organisms that has a unique set of characteristics that distinguish it from
other groups of organisms
Environment Answer: everything around us (living & nonliving)
Environmental Science Answer: study of our interactions with the world and connections in nature
3 Scientific Principles of Sustainability Answer: 1. Life Depends on Solar Energy
2. Biodiversity
3. Chemical Cycling (Nutrient Cycling)
Natural Capital Answer: Natural Resources + Ecosystem Services. Life depends on it.
Natural Resources Answer: materials and energy in nature that are essential or useful to humans
, Ecosystem Services Answer: Processes provided by healthy ecosystems support life at no monetary
cost. Ex: Soil renewal, climate control
What degrades natural capital? Answer: Climate change, Air Pollution, Soil Erosion, Water Pollution
Pollution Answer: contamination of environment by any chemical or other agent (noise, heat) to a
level that is harmful to the health, survival, or activities of humans or other organisms
Point Source Answer: Single, identifiable
Non-point Source Answer: dispersed, often difficult to identify
Ecological Footprint Answer: amount of land and water needed to supply an individual, population,
or area with resources and absorb/recycle the wastes and pollution produced by such resource use
Why do we have environmental problems? Answer: Population growth, unsustainable resource use,
poverty, isolation from nature
Environmental Ethics Answer: study varying beliefs about what is right and wrong with how we
treat the environment
Steps for the Scientific Method Answer: 1. Question
2. Research
3. Hypothesis
4. Experiment/Study
5. Facts + Observations
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