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Ecology Final Exam Review
Test Description: 7th grade - 2nd semester (2016)
Instructions: Answer all questions to get your test result.
1) The 5 levels of organization of life are...
A
organism, population, ecosystem, nature
B
organism, population, community, ecosystem, biosphere
C
population, biosphere, person, animal
D
person, places, thing, idea
2) Which of the following is an abiotic factor?
A
water
B
soil
C
algae
D
deer
3) An adaptation is when an animal changes behavior or physical appearance in response to
A
their environment
B
the destruction of their habitat
C
their mother
D
their grandma
4) Biodiversity in an ecosystem is harmed by...
A
the destruction of habitats
B
the host living in its habitat
C
the harmful rays from the sun
D
destruction of their niche
5) Which of the following is a biotic factor?
A
sun
B
wind
C
turtle
D
air
6) What is carrying capacity?
A
the smallest population an environment has
B
the largest population an environment can support
C
the amount of extra pounds an animal can carry
D
the amount of rainfall an environment can support
7) What effects can there be from pollution?
A
organisms eat too little
B
cancer and respiratory problems
C
overweight organisms
D
more tooth decay of organisms
8) What are 3 types of conservation?
A
reduce, rebuy, recycle
B
recycle, reuse, reboot
C
reduce, reuse, relocate
D
reduce, reuse, recylce
9) If the polar ice caps melt, what could the effect be on Earth?
A
carrying capacities would change
B
invasive species increase
C
fossil fuels reduce in size
D
there would be lots of flooding
10) What is decomposition?
A
bacteria breaks down dead organic matter and returns carbon dioxide and water to the environment
B
an alternative energy source
C
process of recovering valuable or useful materials from waste or scrap
11) Producers...
A
create their own energy from the sun - make their own food
B
produce less pollution
C
hunt other organisms
D
look for dead carcus to eat
12) The predator will...
A
catch and eat another animal
B
try to outrun the chaser
C
be eaten
13) What is a natural source of pollution?
A
solar power
B
factory
C
volcano
D
trash dump
14) What is parasitism?
A
both organisms are helped
B
one organism is helped and the other isn't bothered
C
when one organism is hurt while the other is helped
15) What is an example of a nonrenewable resource?
A
soil
B
water
C
coal
D
grass
16) What is one reason for increased or higher temperatures on Earth?
A
there are increased levels of carbon dioxide
B
the sun is getting bigger
C
the sun is hotter
D
there isn't as much wind any more
17) What is mutualism?
A
only 1 organism benefits and the other is not harmed
B
1 organism is helped and the other is harmed
C
both organisms benefit and help each other
18) What is recycling?
A
throwing away product materials to a landfill
B
using products over and over
C
process of recovering valuable or useful materials from waste or scrap
*select an answer for all questions
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