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WorksheetsBio KC2
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
What cycle is represented by the image?
a)
water
b)
carbon
c)
oxygen
d)
nitrogen
2.
Which processes release carbon into the atmosphere?
a)
Photosynthesis
b)
Factory emissions
c)
cellular respiration
d)
factory emissions and cellular respiration
3.
What would happen to the carbon dioxide level in the atmosphere if the trees disappeared?
a)
decrease
b)
increase
c)
dissapear
d)
stay the same
4.
Which processes remove carbon from the atmosphere?
a)
decay
b)
factory emissions
c)
cellular respiration
d)
photosynthesis
5.
Which organisms have more energy than herbivorous insects?
a)
spiders
b)
squirrels
c)
plants
d)
toads
6.
Which of the following organisms are a secondary consumer?
a)
squirrels
b)
herbivorous
c)
toads
d)
spiders
7.
Why are decomposers important to the ecosystem?
a)
they return important nutrients to the enviornment
b)
they are producers
c)
they capture energy from the sun
d)
they can be primary consumers
8.
Sunlight -> producer -> primary consumer -> secondary consumer -> tertiary consumer. describes what?
a)
energy flow in an ecosystem
b)
life cycle
c)
decomposers
d)
consumers
9.
How is the majority of energy LOST from level to level in the energy pyramid above?
a)
decay
b)
light
c)
food
d)
heat
10.
Select the best claim for the guiding question: In a forest ecosystem in the summer, how would you expect the amount of Carbon Dioxide in the air to change?
a)
CO2 would increase
b)
CO2 would decrease
c)
CO2 would stay the same
d)
CO2 would disappear completely
11.
If the zooplankton in this immage died, what is one organism that would benefit.
a)
Phytoplankton
b)
seaweed
c)
crab
d)
elephant seal
12.
If the zooplankton in this immage died, what is one organism that would be negatively impacted.
a)
fish
b)
penguin
c)
phytoplankton
d)
seaweed
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