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Ecology
Test Description: Review
Instructions: Answer all questions to get your test result.
1) 78% of the air consists of
A
Nitrogen gas
B
Dust
C
Oxygen gas
D
Carbon Dioxide
2) Decomposers
A
create gases in the atmosphere
B
smell good
C
regenerate
D
break down molecules in dead organisms
3) Nitrates
A
are changed into nitrogen gas by the sun
B
are changed into nitrogen gas by bacteria
C
are changed into nitrogen gas by cells
D
are changed into nitrogen gas by the nucleus
4) Carbon in dead organisms decomposes and turns into
A
nitrogen
B
oxygen
C
fossil fuels
D
carbon dioxide
5) On major reservoir of carbon dioxide is the
A
mountains
B
grass
C
puddles
D
ocean
6) _______ is where plants turn carbon dioxide into energy rich carbon
A
Global warming
B
Regeneration
C
Photosynthesis
D
Maturation
7) The main energy sournce of the water cycle comes from the
A
water
B
sun
C
earth
D
air
8) Plants give off water into the atmosphere by the process called
A
transpiration
B
reflection
C
transformation
D
dialation
9) The processes of the water cycle are a _________ change
A
physical
B
mixed
C
chemical
D
reactive
10) Plants _____ the nitrates
A
form
B
release
C
use
D
mix
*select an answer for all questions
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