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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
person, places, thing, idea
C
organism, population, ecosystem, nature
D
organism, population, community, ecosystem, biosphere
2) Which of the following is an abiotic factor?
A
algae
B
water
C
soil
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 harmful rays from the sun
C
destruction of their niche
D
the host living in its habitat
5) Which of the following is a biotic factor?
A
wind
B
turtle
C
sun
D
air
6) What is carrying capacity?
A
the amount of extra pounds an animal can carry
B
the smallest population an environment has
C
the amount of rainfall an environment can support
D
the largest population an environment can support
7) What effects can there be from pollution?
A
more tooth decay of organisms
B
organisms eat too little
C
cancer and respiratory problems
D
overweight organisms
8) What are 3 types of conservation?
A
reduce, reuse, relocate
B
reduce, reuse, recylce
C
reduce, rebuy, recycle
D
recycle, reuse, reboot
9) If the polar ice caps melt, what could the effect be on Earth?
A
there would be lots of flooding
B
invasive species increase
C
carrying capacities would change
D
fossil fuels reduce in size
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
hunt other organisms
B
create their own energy from the sun - make their own food
C
look for dead carcus to eat
D
produce less pollution
12) The predator will...
A
try to outrun the chaser
B
catch and eat another animal
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
when one organism is hurt while the other is helped
B
both organisms are helped
C
one organism is helped and the other isn't bothered
15) What is an example of a nonrenewable resource?
A
water
B
grass
C
soil
D
coal
16) What is one reason for increased or higher temperatures on Earth?
A
the sun is hotter
B
the sun is getting bigger
C
there isn't as much wind any more
D
there are increased levels of carbon dioxide
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
throwing away product materials to a landfill
B
process of recovering valuable or useful materials from waste or scrap
C
using products over and over
*select an answer for all questions
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