Term
Identical twins have the same set of ____. |
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Definition
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Term
Of the following, which are NOT living organisms?
|
a.
|
plants
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c.
|
producers
|
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b.
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animals
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d.
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minerals
|
|
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Definition
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Term
The role a species plays within a community is its ____. |
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Definition
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Term
Anything that restricts the number
of individuals living in a population is ____. |
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Definition
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Term
Which of the following would help conserve natural resources?
|
a.
|
using solar panels
|
|
b.
|
recycling plastic bottles
|
|
c.
|
ridding the environment of harmful pollutants
|
|
d.
|
all of the above
|
|
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Definition
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|
Term
Which of these sources of energy is NOT renewable?
|
a.
|
wind
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c.
|
hydroelectric power
|
|
b.
|
solar power
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d.
|
natural gas
|
|
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Definition
|
|
Term
Of the following, which is a nonrenewable natural resource?
|
a.
|
phosphorus
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c.
|
cotton
|
|
b.
|
wood
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d.
|
water
|
|
|
Definition
|
|
Term
Of the following, which is a renewable energy resource?
|
a.
|
coal
|
c.
|
geothermal energy
|
|
b.
|
kerosene
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d.
|
natural gas
|
|
|
Definition
|
|
Term
Of the following, which helps conserve natural resources?
|
a.
|
using a cloth shopping bag instead of a paper bag
|
|
b.
|
riding your bike on short trips around town
|
|
c.
|
planting trees in your front yard
|
|
d.
|
all of the above
|
|
|
Definition
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|
Term
All of the following are fossil fuels EXCEPT ____.
|
a.
|
natural gas
|
c.
|
kerosene
|
|
b.
|
coal
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d.
|
wood
|
|
|
Definition
|
|
Term
| The three Rs of conservation are ____. |
|
Definition
|
|
Term
| Soil is a mixture of weathered rock, mineral fragments, water, air and ____. |
|
Definition
|
|
Term
The layer of soil that contains the
most organic material is called the ____ horizon. |
|
Definition
|
|
Term
All of the following cause mechanical weathering EXCEPT ____.
|
a.
|
ice
|
c.
|
burrowing animals
|
|
b.
|
tree roots
|
d.
|
carbonic acid
|
|
|
Definition
|
|
Term
The rock and mineral fragments
in soil come from rock that has been ____. |
|
Definition
|
|
Term
The difference between mechanical
and chemical weathering is ____. |
|
Definition
the way they affect the makeup of a rock |
|
|
Term
| Plants cannot grow without ____. |
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Definition
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|
Term
Minerals found in the B horizon were
dissolved in water and
carried there by a process called ____. |
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Definition
|
|
Term
Plants don't grow as well when ____ has been lost. |
|
Definition
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|
Term
| ____ turns and loosens soil, improving it for crops, but leaving soil vulnerable to erosion. |
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Definition
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|
Term
Soil erosion occurs ____.
|
a.
|
where animals eat away all the plants
|
c.
|
on steep slopes
|
|
b.
|
when forests are removed
|
d.
|
all of the above
|
|
|
Definition
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|
Term
| Agents of ____ deposit sediments when they lose their energy of motion. |
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Definition
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|
Term
| When people plant vegetation, they ____ erosion. |
|
Definition
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|
Term
Scientists estimate that 14 percent of
all freshwater on Earth exists as ____. |
|
Definition
|
|
Term
| When people remove vegetation, they ____ runoff and the erosion process. |
|
Definition
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|
