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