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