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WorksheetsFood Webs & Food Chains
Total questions: 20
Worksheet time: 15mins
Which of the following animals are herbivores?
I Goat
II Bear
III Lion
IV Squirrel
I and II
I and IV
II and III
III and IV
In this food chain, what will happen if the frogs become extinct?
The snakes will increase.
The grasshoppers will decrease.
The eagles will remain the same.
The grasshoppers will increase.
Which type of consumer is always a primary consumer?
Herbivore
Omnivore
Carnivore
Producer
Look carefully at the image. Which organism is tertiary consumer?
bird
lizard
grasshopper
Bacteria and fungi that break down dead plant and animals.
Consumer
Producer
Decomposer
To which living thing or things does the mouse's energy pass?
snake only
hawk only
hawk and snake only
Which of the following is not a secondary consumer?
hawk
lizard
mouse
snake
In the food web above, what organism is missing from this food chain:
Grass --> Slug --> ________ --> Hawk
Vole
Frog
Insect
Thrush
Which of the following animals is at the top of the food web?
Skunk
Owl
Squirrel
Caterpillar
A partial Texas food web is shown.
The populations of which organisms will most likely increase as a result of a disease that suddenly reduced the population of Texas horned lizards?
grasses and ants
ants and grasshoppers
grasshoppers and texas cottonmouths
texas cottonmouths and red-shouldered hawks
Which might be the impact(s) of a rapidly increasing deer population on the food web in the picture below? Select each correct answer.
An increase in the population of birds due to the increased source of food
A decrease in the population of bees due to increased competition
An increase in the population of mountain lions due to the increased source of food
A decrease in the population mountain lions due to the change in habitat
What would happen to the owl population if the mice were to die?
There would be an increase in owls because they would eat rabbits
There would be a increase in owl because they would eat grass
There would be a decrease in owls because they only have 1 food source now
There would be a decrease in owls because they would be easier prey for hawks
