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WorksheetsFood Web
Total questions: 12
Worksheet time: 8mins
Name
Class
Date
1.
All energy transformations in an ecosystem begin with
a)
a scavenger
b)
the sun
c)
a decomposer
d)
a herbivore
2.
a deer population has significantly increased, the best hypothesis is
a)
the deer's main predator has been eliminated
b)
competition increased
c)
decreased water levels of local ponds
d)
organisms that rely on similar food sources migrated to the area
3.
Which event is the best example of competition between species in a pond?
a)
dragonflies landing on lily pads
b)
lizards and snakes lying in the sun
c)
hawks eating mice
d)
frogs and toads eating flies
4.
Birds eat insects off the skin of cows. If the relationship is a type of mutualism, then the organisms that will benefit are
a)
only the cattle
b)
neither the birds or the cattle
c)
both the birds and the cattle
d)
only the birds
5.
Which is the smallest level of an ecosystem?
a)
organsism
b)
population
c)
community
d)
ecosystem
6.
Which relationship describes predator/prey
a)
hawks and shrubs
b)
mountain lion and deer
c)
frogs and trees
d)
grasses and crickets
7.
A diagram that shows the amount of energy that moves from one feeding level to another is termed..
a)
energy pyramid
b)
adaptation
c)
autotroph
d)
food web
8.
a system of food chains that shows the transfer of energy is termed
a)
food web
b)
food chain
c)
prey
d)
predator
9.
an organism that can produce its own food through photosynthesis
a)
consumer
b)
heterotroph
c)
autotroph
d)
herbivore
10.
Commensalism is
a)
one species benefits, the other is not affected
b)
both species benefit
c)
both species are harmed
d)
one species benefit, the other is harmed
11.
Biodiversity is
a)
the variety of species within an ecosystem
b)
a large number of the same species in an ecosystem
c)
an abundant amount of the same primary consumers
d)
the ability to have an abundant source from the same species
12.
an example of producer consumer relationship would be
a)
lion eating a deer
b)
grasshopper getting energy from grass
c)
hawk getting energy from snakes
d)
earthworm breaking down dead material
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