RandomPopulationsRelationships Atmosphere/ Water 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 10 20.

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  • RandomPopulationsRelationships Atmosphere/ Water 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 Scientific Inv. Energy 10 20 30 40 50 60 70 80 90 100
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  • 10 Answer What is the approximate age of the earth?
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  • 4.5 billion years old
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  • 20 Answer Glaciers helped form the Earths surface by erosion as seen in
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  • Cape Cod
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  • 30 Answer In designing a good experiment, a scientist attempts to isolate one
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  • Question
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  • 40 Answernswer Environmental Science is considered to be an integrated science because
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  • It involves many sciences
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  • 50 Answer The extinction of a species means that
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  • its populations no longer exist
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  • 60 Answer New Yorks Finger Lakes, which were formed by the same process as were the Great Lakes, were formed by:
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  • the movement of glaciers
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  • 70 Answer All of the following are indigestible material for an owl except
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  • Muscle
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  • 80 Answer El Nino occurs every
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  • 4-7 years
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  • 90 Answer To measure the acidity of a solution you would perform a __________ test.
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  • pH
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  • 100 Answer To measure the clarity of pond water you would perform a __________ test.
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  • turbidity
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  • 10 Answer In a balanced ecosystem, the carrying capacity for a given species should be
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  • stable
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  • 20 Answer All of the following are herbivores except
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  • bear
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  • 30 Answer When scientists say that the balance in the ecosystem is dynamic they mean that
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  • change is constant
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  • 40 Answer In which place would you probably find the most organisms?
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  • a swamp
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  • 50 Answer Which organism is most likely to be found on a newly discovered island?
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  • Parrot
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  • 60 Answer Primary succession can occur in which of the following habitats
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  • a cooled lava field
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  • 70 Answer In the Antarctic, as baleen whale numbers increase you would expect seals to:
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  • decrease in numbers
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  • 80 Answer Two species of clover were planted in the same patch of garden. In time, one species disappeared from the patch. This is probably the result of:
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  • competitive exclusion
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  • 90 Answer Through aquatic succession, a clear lake may eventually become:
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  • a meadow
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  • 100 Answer Mass killings of predators may result in
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  • overpopulation of prey
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  • 10 Answer What effect does a keystone predator have on its habitat?
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  • it increases niche diversity
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  • 20 Answer Legumes enrich soil by adding nitrogen to it through their
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  • root nodules
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  • 30 Answer From where do autotrophs get the energy that produces their food?
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  • the sun
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  • 40 Answer Interactions in the environment are usually
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  • Complex
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  • 50 Answer Lichens are important to an ecosystem because they
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  • help form soil
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  • 60 Answer An organism that feeds on the body fluids or tissues of another organism but does not kill it is called a:
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  • Parasite
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  • 70 Answer An increase in herbivore populations in an ecosystem will soon lead to
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  • increasing predator populations
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  • 80 Answer A stable ecosystem includes
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  • a wide variety of organisms
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  • 90 Answer Competition occurs between species when
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  • they try to share the same niche
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  • 100 Answer Condors are related to vultures and feed on carion, or dead animals. Condors role in the food web is as:
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  • scavengers
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  • 10 Answer What is the most important requirement for all living things?
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  • Water
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  • 20 Answer In which part of the atmosphere do you live?
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  • Troposphere
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  • 30 Answer Water exists on other planets in the solar system. Yet, life exists on Earth because water exists as a
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  • vapor
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  • 40 Answer A gas that contributes to the greenhouse effect is
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  • carbon dioxide
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  • 50 Answer Temperatures in the thermosphere can reach
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  • 2000 degrees C
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  • 60 Answer Ultraviolet radiation is blocked from reaching Earths surface by what substance found in the atmosphere?
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  • ozone
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  • 70 Answer Nitrogen makes up what percent of air composition on earth?
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  • 78%
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  • 80 Answer Natural springs form on Earths surface with water that originated from
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  • Aquifers
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  • 90 Answer A pump does not need to be used to raise groundwater to the surface in areas where artesian wells are located because the water in artesian wells
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  • is under pressure
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  • 100 Answer People use rivers in all of the following ways except
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  • as a source of salt
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  • 10 Answer In one day, a zebra eats 10kg of grass. A lion kills and eats the zebra. About how much of the energy contained in this grass is usable by the lion?
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  • 1 kg
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  • 20 Answer When new information conflicts with a hypothesis, the hypothesis
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  • must change
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  • 30 Answer A scientific explanation for a natural occurrence is
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  • a hypothesis
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  • 40 Answer In a controlled experiment
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  • the scientist knows the outcome
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  • 50 Answer Science does not attempt to answer questions that deal with
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  • nitrogen
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  • 60 Answer Though matter in an ecosystem is recycled, energy is
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  • Lost
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  • 70 Answer A hypothesis must be rejected when
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  • it is not supported by data
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  • 80 Answer Ozone depletion is caused by CFCs is an example of a scientific
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  • hypothesis
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  • 90 Answer Energy moves through the ecosystem in the form of
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  • biomass
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  • 100 Answer To be a tertiary consumer, you would have to eat
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  • Deer

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