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