Eutrophication correct answers Nutrient enrichment of an aquatic ecosystem that stimulates excess plant growth and disrupts normal energy uptake and matter cycles.
Green Revolution correct answers Plant- breeding program in the mid- 1900s that dramatically increased crop yields and led the way f...
EESC 101-001 FINAL EXAM || A+ Guaranteed.
Eutrophication correct answers Nutrient enrichment of an aquatic ecosystem that stimulates
excess plant growth and disrupts normal energy uptake and matter cycles.
Green Revolution correct answers Plant- breeding program in the mid- 1900s that dramatically
increased crop yields and led the way for mechanized, large- scale agriculture.
Organic Agriculture correct answers Farming that does not use synthetic fertilizer, pesticides or
other chemical additives like hormones.
Environmental literacy correct answers The ability to understand environmental problems
Ecology correct answers a biological science that studies relationships
between living organisms and their environment
Environmental science correct answers a highly interdisciplinary field of research that is used to
understand the natural world and our relationship to it
5 major causes of Environmental problems correct answers (i) Population growth
(ii) Poverty
(iii) Unsustainable use of resources
(iv) Ecological ignorance
(v) Poor environmental accounting
wicked problems correct answers Problems that are difficult or impossible to
solve because of incomplete, contradictory,
and / or changing requirements that are
often difficult to recognize.
Anthropogenic correct answers originating from human
activity of, relating to,
or resulting from the
influence of human
beings on nature
Sustainable correct answers practices or methods of using resources in such a
way that we can continue to use them indefinitely.
sustainable ecosystem correct answers is one that makes the most of
renewable energy—energy that comes from an infinitely available or easily replenished source.
Biodiversity correct answers The variety of different types of life and variations within species
Naturally sustainable ecosystems recycle matter.
Carrying capacity correct answers population size that an
,environment can support indefinitely
Biological capacity (biocapacity) correct answers The area of land that is actually available
to produce renewable resources to absorb
wastes
Sustainable Development correct answers Development that meets the needs of the present
without compromising the ability of future generations to meet their own needs
social trap correct answers a situation in which a group of people act to
obtain short‐term individual gains, which in the long run leads to a loss for the group as a
whole.
What is the best way to avoid social traps? correct answers When people are aware of
consequences, they are more likely to
examine trade-offs to determine
whether long-term costs are worth
short-term gains.
Ethics correct answers a branch of philosophy that involves the study of good and bad, right and
wrong.
Environmental ethics correct answers application of ethical standards to relationships between
people and non‐human entities
wealth inequality in the world correct answers 20% of the world's population controls
80% of the world's resources.
Evidence from least to greatest correct answers No Clue- Hypothesis- Theory- Absolute proof
[ Science ]
The troposphere correct answers Where is Ozone found that is harmful to living things?
Observation correct answers Information gathered with our senses or equipment that extends our
senses.
Inference correct answers Explanation of what might have caused the observed
phenomena.
What is the main cause of Ozone depletion? correct answers chlorofluorocarbons (CFCs)
Hypothesis correct answers A tentative explanation for an observation
Prediction correct answers Generally an "if..., then..."
statement based on the hypothesis
,Correlation correct answers When two things occur together but one does not necessarily cause
the other
Cause and Effect correct answers When two things occur together, but one directly occurs (the
effect) in response to, or as a result of, the other (the cause).
What is the difference between test groups and control groups? correct answers Test group(s)
that is exposed to different levels of the independent variable. Control Groups provides the
standard of comparison for the test group(s).
Theory correct answers A widely accepted explanation for a natural phenomenon that has been
extensively and rigorously scientifically tested.
Montreal Protocol -1987 correct answers Administered by the U.N. A plan developed to phase
out CFCs.
The precautionary principle correct answers Though you are not 100% sure of what is
causing a problem, there is a big risk to
"doing nothing."
Adaptive management correct answers A plan that allows you to alter strategies as
new information becomes available or the
situation changes (e.g., the original Montreal
Protocol target list is not comprehensive)
Primary sources correct answers Include new and original information from research—usually
rigorously reviewed by peers in the scientific community for design, data, and
analysis.
Secondary sources correct answers Include interpretation of primary sources and lack of peer
review. This is what you read in the popular press.
Tertiary sources correct answers interpret information from secondary sources, often over
simplifying, while providing additional commentary and stimulating debate over
an issue.
Bioaccumulation correct answers Fat‐soluble substances build up in tissues of an organism over
time.
...Tuna and swordfish ‐ large predators accumulate and magnify mercury, PCBs,
and DDT.
Biomagnification correct answers Higher on the food chain
and able to consume the entire lifetime of
toxins in their prey Tuna and swordfish ‐ large predators high on the ocean food
chain...accumulate and
magnify mercury, PCBs, and DDT.
, Additive effects correct answers Other chemicals may
increase the effect of the toxin.
Antagonistic effects correct answers Other chemicals reduce or cancel the toxin's effects.
Synergistic effects correct answers Chemicals increase the effects of the toxin, even beyond
expectations.
LD50 (lethal dose 50%) correct answers the amount of a toxic agent (as a poison, virus, or
radiation) that is sufficient to kill 50 percent of a population of animals usually within a certain
time
Pronatalist pressures (factors) correct answers ‐ Work the family farm,
‐ tend to household chores,
‐ care for aging parents...
Some Predictors for fertility correct answers ‐ Agrarian societies
‐ Large family for prestige, status
‐ infant mortality
Demographic factors on fertility rate correct answers ‐ Health,
‐ education,
‐ economic
conditions,
‐ cultural influences
Demographic transition correct answers as a country's economy changes from preindustrial to
postindustrial, low birth and death rates replace high birth and death rates
Degradation of the system prevents nature from providing goods and services correct answers
This is a threat to our future economically, socially, and
environmentally.
Ecosystems goods and services correct answers ‐ timber and water are goods;
‐ air purification and nutrient cycling are
services.
e.g. oxygen production, cannot be
replaced.
Examples of ecosystem Goods and Services correct answers Genetic Resource
Pollination
Habitat
Soil Formation and Erosion control
Climate regulation
Raw Material
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