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Energy Flow
Test Description: Energy Flow
Instructions: Answer all questions to get your test result.
1) How many directions does energy flow?
A
4
B
2
C
3
D
1
2) How much energy gets passed on to the next trophic level?
A
90%
B
10%
C
25%
D
50%
3) How much energy is lost between trophic levels?
A
25%
B
90%
C
50%
D
10%
4) What happens to the energy that is lost between trophic levels?
A
It disappears
B
Another animal gets it
C
It goes to the ground
D
It is lost as heat or used in cellular processes
5) If 24,368 kcals of energy is available to the producer, how much is available to the secondary consumer?
A
24.368
B
2.4368
C
243.68
D
2436.8
6) If 24,368 kcals of energy is available to the producer, how much is available to the quaternary consumer?
A
243.68
B
24.368
C
2.4368
D
2436.8
7) If 24,368 kcals of energy is available to the producer, how much is available to the primary consumer?
A
2436.8
B
24.368
C
243.68
D
2.4368
8) If 24,368 kcals of energy is available to the producer, how much is available to the tertiary consumer?
A
243.68
B
2.4368
C
2436.8
D
24.368
9) Why is a pyramid used to represent energy flow?
A
Because there is more energy available to producers and as you go up the pyramid it decreases
B
It has different levels, just like a food chain
C
Because there are more top consumers that producers
D
Energy can flow in either direction in the pyramid
10) Why is there more producers than top consumers?
A
The animals need a lot of producers
B
This isn't true...there are more top consumers than producers
C
More energy is available to producers
D
More energy is availble to top consumers
*select an answer for all questions
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