Define environmental science and compare environmental science with ecology. - answer-environmental science- the study of the environment that includes the physical, biological, and social sciences.
ecology is the study of how creatures interact with each other and their environment
List the f...
Environmental Science Chapters 1-6
Define environmental science and compare environmental science with ecology. -
answer-environmental science- the study of the environment that includes the
physical, biological, and social sciences.
ecology is the study of how creatures interact with each other and their
environment
List the five major fields of study that contribute to environmental science. -
answer-1. biology
2. physics
3. social science
4. chemistry
5. earth science
Describe the major environmental effects of hunter-gatherers, the agricultural
revolution, and the Industrial Revolution. - answer-hunter-gatherers- they hunt for
animals and they set fires to prevent tree growth so they can hunt for animals
agricultural revolution- allow populations to grow so that it will put pressure on the
environment.
industrial revolution- results in habitat destruction and pesticide pollution
Distinguish between renewable and nonrenewable resources. - answer-renewable
resources- resource that can be replaced relatively quickly by natural processes.
nonrenewable resources- resource that can't be replaced or can't be reproduced
faster than it is consumed.
Classify environmental problems into three major categories. - answer-1. air
pollution
2. loss of biodiversity
3. resource depletion
Describe "The Tragedy of the Commons". - answer-the essay discussing the
conflict between the short-term interests of individuals and the long-term welfare
of society.
the resource can be overused and become depleted.
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, 1
1
Explain the law of supply and demand. - answer-this states that the greater the
demand for a limited supply of something, the more that product is worth.
List three differences between developed and developing countries. - answer-1.
lower life expectancy in developing countries.
2. population grows faster in developing countries
3. higher average incomes in developed countries
*more diverse industrial economies in developed countries
*stronger social support systems in developed countries
Explain what sustainability is, and describe why it is a goal of environmental
science - answer-sustainability- the condition in which human needs are met in
such a way that a human population can survive indefinitely at a standard of living
similar to the current one.
List and describe the steps of the experimental method. - answer-1. observation-a
piece of information we use gathering our senses, our sight, hearing, smell, and
touch
2. hypothesis- a testable idea or explanation that leads to a scientific investigation.
3. prediction- what you think will happen based off of the information that you
have at hand. the information you know already.
4. experiment- a procedure designed to test a hypothesis under controlled
conditions.
5.organizing and analyzing your data
6. drawing conclusions
7. repeating experiments
8. communicating results
Describe why a good hypothesis is not simply a guess. - answer-a good hypothesis
is an educated guess
Describe the two essential parts of a good experiment. - answer-1. single variable
2. a control
Describe how scientists study subjects in which experiments are not possible. -
answer-they use the correlation method
correlation method- the testing of predictions based on the association between 2
or more events.
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