WorksheetsJognog: Food Chains and Energy Flow
Total questions: 15
Worksheet time: 8mins
In a food chain, which way does the arrow point?
to the producer
to the consumer
to the sun
to the prey
When a herbivore eats plants, where does most of the energy from the plants go?
It is used by the herbivore to carry out its own life activities.
It goes to the next consumer.
It goes back into the soil.
It escapes into the air.
Why are there no more than four or five links in a food chain?
The energy decreases the farther down the chain it goes.
That is all the room available on a page to draw the chain.
The energy increases as you move down the chain.
That is all that is necessary to make the point.
What is a purpose of a food chain?
to show the flow of energy in nature
to show the connections between species
both of these
neither of these
In a food chain, where is the most energy found?
at the level of the producers
at the level of the primary consumers
at the level of the secondary consumers
at the level of the top predator
Consider a food chain that shows grass eaten by a rabbit, and the rabbit is eaten by a hawk. Which organism is the carnivore?
hawk
rabbit
grass
bacteria
Consider a food chain that shows berries that are eaten by a bird. The bird is eaten by a fox, and the fox is eaten by a mountain lion. Which organism gets the LEAST energy?
the mountain lion
the bird
the fox
the berries
Consider a food chain that shows leaves that are eaten by a zebra. The zebra is eaten by a cheetah. Which level of the food chain has the MOST energy?
the leaves
the zebra
the cheetah
the lion
What happens to the energy level in a food chain as the energy moves away from the sun on the food chain?
It becomes less and less.
It becomes more and more.
It continues to increase.
It depends on which organism is consuming it.
How is a food chain useful?
It shows the flow of energy in a simple form.
It uses beautiful pictures.
It gives lots of details.
It explains favorite foods.
Consider a food chain that shows algae that is eaten by a fish. The fish is eaten by a seal, and the seal is eaten by a polar bear. Which organism gets the LEAST energy?
polar bear
fish
algae
seal
Which group of organisms puts the nutrients back into the soil?
decomposers
predators
products
prey
Consider a food chain that shows seaweed that is eaten by a zebra. The zebra is eaten by a mountain lion, and the mountain lion is eaten by a tiger. What is wrong with this food chain?
These animals do not live in the same environment naturally.
Seaweed is not a producer.
There are too many organisms in the chain.
A zebra is not a herbivore.
Consider a food chain that shows leaves that are eaten by a wolf. The wolf is eaten by a grizzly bear. What is wrong with this food chain?
A wolf is not a herbivore.
These organisms do not live in the same environment.
There are too many organisms in the chain.
Leaves are not producers.
Consider a food chain that shows grass that is eaten by a rabbit. The rabbit is eaten by an owl, and the owl is eaten by a hawk. Who is the secondary consumer?
owl
hawk
rabbit
grass
