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Study
Energy in the Ecosystem
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True or False? The energy pyramid depicts how energy increases from lower to higher trophic levels.
False
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Name the producer in this model
phytoplankton
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Can an organism be found in more than one trophic level? Explain giving an example from the food web.
Yes. The unicornfish is a primary consumer when it gets its energy directly from the phytoplankton. Secondary when energy from zooplankton.
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(choose)Beetles and flies are
scavengers
saprophytes
detritivores
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What kind of organism eats producers only?
herbivore
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Name the primary consumer in this food chain.
zooplankton
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What is the name of the rule this model illustrates?
the 10% rule
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What do the grey arrows going away from the pyramid indicate?
energy that is lost as heat
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What kind of organism gets its energy by eating other animals?
carnivore
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How many trophic levels are represented on this model?
5
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How does a food chain model energy flow?
through feeding relationships
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In an energy pyramid, how much energy is used for daily life processes? How much energy is passed on?
90% used for life processes and 10% is passed on
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(choose) jackals and vultures are _____
saprophytes
detritivores
scavengers
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(choose) bacteria and fungi are _____
saprophytes
scavengers
detritivores
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Bacteria and fungi are decomposers called ____________
saprophytes
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Name the secondary consumer in this food chain.
butterfly fish
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True or False? The third trophic level is represented by secondary consumers.
True
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Name the quaternary consumer in this food chain.
shark
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True or False? Energy is recycled in a food chain.
False
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What is the primary energy source being shown in this model?
the sun
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What kind of organism eats both producers and other consumers?
omnivore
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Name the tertiary consumer in this food chain.
octopus
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(choose) What trophic level is the coral?
producer
primary consumer
secondary consumer
tertiary consumer
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(choose) What trophic level is the parrotfish?
producer
primary consumer
secondary consumer
tertiary consumer
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What kind of organisms are found in the third trophic level?
secondary consumders
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True or false? A secondary consumer is a consumer in the fourth position on the food chain.
False
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(Choose) What is NOT an example of a primary consumer?
squirrel that eats acorns
deer that eats grass
mouse that eats seeds
jackrabbit that eats squirrel
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What is the name of this model?
food chain
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Name the producer in this food chain.
phytoplankton
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What does the arrow in a food chain mean?
"gives energy to"
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What kind of organism gets its energy by eating other organisms?
consumer
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True or False? Many consumers feed at more than one trophic level.
True
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(choose) A unicornfish is a(n)
herbivore
producer
carnivore
omnivore
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What is the name of this model?
energy pyramid
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What does the law of conservation of energy state?
Energy can not be created or destroyed
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The feeding position in a food chain or food web is called _____________
the trophic level
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What is the name of this model?
food web
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How do the movements of matter and energy differ?
matter cycles, energy flows
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Name two kinds of decomposers that get energy by EATING dead organisms.
detritivores, scavengers
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