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Life Science
Test Description: Choose the best answer.
Instructions: Answer all questions to get your test result.
1) Photosynthsis and respiration belong to which cycle?
A
Nitrogen cycle
B
Hydrologic cycle
C
Carbon cycle
D
Phosphorus cycle
2) The part of the Earth in which all living things exits is called the
A
Biosphere
B
Bionight
C
Community
D
Ecosystem
3) An organism that cannot make its own food is called
A
autoroph
B
producer
C
heterotroph
D
chemotroph
4) Organisms that are diurnal
A
hibernate every other year
B
live in two different place throughout the year
C
live two seperate lives
D
are only active during the day
5) All of the members of a particular species that live in one area are called a(an)
A
population
B
ecosystem
C
biome
D
community
6) An ecosystem contains
A
only the energy flow components of an environment
B
only the abiotic components of the environment
C
both the living organisms and the abiotic components of the environment
D
only the biotic components of the environment
7) The algae at the beginning of the food chain are
A
consumers
B
producers
C
decomposers
D
heterotrophs
8) Process by which atmospheric nitrogen gas is changed to forms that plants can use is
A
nitrogen fixation
B
hydrologic fixation
C
carbon fixation
D
bioegeochemical fixation
9) Carbon cycles through the biosphere in all of the following processes EXECPT
A
transpiration
B
decomposition
C
photosynthesis
D
respiration
10) The atmosphere contains _______________ which is neded for photosynethisis.
A
oxygen
B
carbon dioxide
C
nitrogen
D
none of the above
*select an answer for all questions
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