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More Ecology
Test Description: More ecology
Instructions: Answer all questions to get your test result.
1) #1What will happen to the ecosystem above if the number of frogs increased?
A
the snake and owl population will go down
B
nothing will happen
C
the grasshopper population will go down
D
the green plant population will go down
2) #2 Which organism is the tertiary consumer? (use food chain above)
A
grasshopper
B
bird
C
frog
D
sunlight
3) #3 Which organism undergoes photosynthesis? (use food chain above)
A
sunlight
B
bird
C
grasshopper
D
grass
4) #4 What happens to the radiant or solar energy used by plants during photosynthesis?
A
it is saved and stored by the plant
B
it is converted to chemical energy
C
it is made into carbon dioxide and returned to the atmosphere
D
nothing is done with this energy
5) #5. What happens to the energy from these materials that are decomposing?
A
some of the energy is released causing the temperature to rise due to heat
B
the energy stays within these items forever
C
the energy is never used and these items will not decompose
D
all energy is lost and disappears
6) #6 Decomposers break down materials that were once alive. Why are these important to EVERY layer of the ecosystem?
A
they are not necessary at all
B
we only need them at the top level
C
all of the above
D
because they are important so that dead things will be recycled in the environment
7) #7 What happens to the materials in a compost bin?
A
new and exciting things are formed
B
matter is recycled by decay
C
D
everything becomes very cold
8) #8 Composting is a form of-
A
pollution
B
recycling
C
D
smelly materials
9) #9 What energy is needed for photosynthesis to start?
A
mechanical energy
B
C
solar or radiant energy
D
electrical energy
10) #10 What diagram shows the correct way to show the flow of energy in a compost bin?
A
C (on paper)
B
C
A (on paper)
D
B (on paper)
*select an answer for all questions
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