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WorksheetsFood chains & Pyramids
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
Bears eat a variety of foods including fish, berries, other types of vegetation. Bears would best be classified as –
a)
producers
b)
herbivores
c)
carnivores
d)
omnivores
2.
Snakes eat many types of small mammals including mice and rabbits as well as other lizards. Snakes would best be classified as a -
a)
producers
b)
herbivores
c)
carnivores
d)
omnivores
3.
Elodea is an autotrophic organism which produces sugars at the bottom of some freshwater food chains. Elodea would best be classified as -
a)
producers
b)
herbivores
c)
carnivores
d)
omnivores
4.
Horses eat grasses and other plants in order to gain their nutrition. Horses would best be classified as -
a)
producers
b)
herbivores
c)
carnivores
d)
omnivores
5.
Which organism in this food chain is a producer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
6.
Which organism in this food chain is a secondary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
7.
Which organism in this food chain is a primary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
8.
Which organism in this food chain is a tertiary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
9.
In this food pyramid, which level has the greatest amount of energy?
a)
Producers
b)
Primary Consumers
c)
Secondary Consumers
d)
Tertiary Consumers
10.
How much energy is passed from one trophic level to the next?
a)
1%
b)
10%
c)
50%
d)
100%
11.
What happens to the energy that is not passed on to the next level?
a)
80-90 percent is used by each member of the chain for life processes
b)
80-90 percent may be lost to heat or waste products
c)
80-90 percent may be eaten
d)
A and B both
12.
In this food chain, the bacteria is most likely acting as a -
a)
predator
b)
competitor
c)
decomposer
d)
producer
13.
Based on what is depicted in this food chain, which organism might possibly be an herbivore?
a)
Leaf
b)
Insect
c)
Toad
d)
Bird
14.
each level of the food chain is called a ________ level.
a)
Food-eating
b)
Trophic
c)
Sunlight
d)
Energy
15.
A series of interrelated food chains in a given ecosystem is called a ______________.
a)
trophic level
b)
food pyramid
c)
predator-prey relationship
d)
food web
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