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Energy In An Ecosystem
Test Description: Ecosystem test
Instructions: Answer all questions to get your test result.
1) Which is not an example of a decomposer?
A
fungi
B
bacteria
C
hawk
D
worms
2) What do arrows represent in a food web?
A
prey
B
predators
C
producers
D
the energy flow
3) what is always at the bottom of any food chain?
A
consumers
B
producers
C
cows
D
bacteria
4) how are producers and consumers alike?
A
they are not alike
B
they both need energy
C
the both make their own food
D
they both go through photosynthesis
5) what is the decomposer's role in the food chain
A
to produce food for consumers
B
to use the sun's energy
C
break down dying and dead matter
D
eat other organisms
6) what percentage of energy is lost as you go from one level of the food chain to the other?
A
90%
B
50%
C
20%
D
100%
7) which would be considered a Primary consumer?
A
Orca whale
B
cow
C
bear
D
Miss Piel
8) what is a trophic level?
A
all the consumers in a food web
B
all fungi and bacteria
C
only the plants
D
one step on a food pyramid
9) where does all the energy in an ecosystem originate?
A
the sun
B
producers
C
top predators
D
consumers
10) What is at the top of all food chains?
A
the top predator
B
the top prey
C
the fungi
D
the producers
*select an answer for all questions
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