WorksheetsFood Chains and Webs
Total questions: 15
Worksheet time: 30mins
Brown bears eat grass, fruit, insects, and fish. This organism is an example of a(n) __________________.
herbivore
omnivore
carnivore
producer
Siberian tigers eat wild boar, moose and deer. This organism is an example of a(n) _______________.
herbivore
omnivore
carnivore
producer
Grass needs sunlight to make its own food. This organism is an example of a(n) __________________.
herbivore
omnivore
carnivore
producer
Whitetail deer eat leaves, twigs, fruits, nuts and grass. This organism is an example of a(n) ___________________.
herbivore
omnivore
carnivore
producer
In this food web, the producers are the ____________________.
grass and tree
grass and insects
frog and mouse
frog and tree
The diagram shows how energy flows through a prairie food web. If all the grasshoppers were removed, how many organisms would lose a source of energy?
Four
Five
Six
Seven
In this food web, the grasshoppers get energy from the _________.
lettuce
robins
cat
carrots
If all of the squirrels were removed from this prairie ecosystem, which animal population would most likely decrease first?
hawks
antelopes
coyotes
mountain lions
In this food web, the weasel provides energy to the _______.
spider and grasshopper
shrew and spider
owl and hawk
shrew and hawk
A pond food web is illustrated here. If a pesticide killed all the insect larvae in this food web, all of the following would immediately result EXCEPT --
bass would have more minnows to eat
snails would have more algae available
sunfish would be forced to eat more snails
minnows would lose a source of energy
A partial forest food web is shown. Which list contains only animals that receive energy transferred directly from consumers in this food web?
Red-tailed hawks, snowshoe hares and caterpillars
Snowshoe hares and caterpillars
Snowshoe hares and shrews
Shrews and red foxes
A student makes a partial Texas aquatic food web as shown. Which type of organism should replace the X in the food web?
An omnivore
An herbivore
A carnivore
A producer
A partial food web from the Texas Piney Woods is shown. How many types of organisms in this food web obtain energy directly from producers?
Two
Three
Four
Five
A partial forest food web is shown. In this food web, energy is transferred directly between --
conifer seeds and red crossbills
conifer leaves and northern goshawks
blue grouse and wolves
elk and sharp-shinned hawks
In a food web, the arrow shows where the energy (a) .
