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