The partial food web below shows five different organisms that are found in a prairie ecosystem.
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Using only the organisms from this food web, describe one change in this prairie ecosystem that would result in a decrease in the grasshopper population. Explain the reasoning for your answer.
Click on all the organisms that are producers.
Foxes
Rabbits
Carrots
Owls
Mice
Grass
Birds
Grasshoppers
Grains
Click on the organisms that are primary consumers
Foxes
Rabbits
Carrots
Owls
Mice
Grass
Birds
Grasshoppers
Grains
Click on the organisms that are secondary consumers
Foxes
Rabbits
Carrots
Owls
Mice
Grass
Birds
Grasshoppers
Grains
What tropic level do herbivores belong to?
first level
second level
third level
fourth level
What tropic level do carnivores belong to?
first level
second level
third level
What is the relationship between mice and owls?
competition
predator/prey
mutualism
parasitism
According to the food web what do rabbits eat? Click all that apply
grasshoppers
carrots
foxes
grasses
grains
According to the food web what organisms eat grain? Click all that apply
grasshoppers
birds
owls
mice
rabbits
According to the food web, what do foxes eat. Click all that apply?
grasshoppers
rabbits
owls
mice
birds
In the food chain:
grains--> mice--> owl
Grains contain 1000 joules of energy. How much energy will the mice get?
1000
100
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If grasshoppers were removed from the environment, why might the mice population decrease?
A. The mice have more grass and grains to eat
B. The mice are now the only prey of the owls
C. The number of foxes have increased due to immigration
D. Owls were removed from the ecoystem so now mice have no predators
In the food chain, a squirrel is
producer
primary consumer
secondary consumer
top carnivore
In the food chain, a wren is
producer
primary consumer
secondary consumer
top carnivore
In the food web, the praying mantis is a
an autotroph
herbivore
carnivore
omnivore
In the food chain, a snake is a
producer
primary consumer
secondary consumer
top carnivore
In the food web, the frog is a
A. producer
B. herbivore
C. carnivore
D. decomposer
What is the ecological relationship between the falcon and the snake?
predator/prey
commensalism
competition
mutualism
What is the ecological relationship between the wren and the praying mantis?
predator/prey
commensalism
competition
mutualism
If squirrels are removed from the food web, what will happen to the foxes?
