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