WorksheetsFood Chains / Webs
Total questions: 28
Worksheet time: 14mins
Which word means what is needed to do or cause a change
Energy
Survive
Food Chain
Food
Which word means an organism that uses sunlight to make its own food for energy
Consumer
Decomposer
Producer
Herbivore
Which word means an organism that gets energy by eating other organisms
Consumer
Decomposer
Producer
Which word means an organism that gets energy by using dead organisms or non-living materials or waste as food
Decomposer
Consumer
Producer
a path of energy transfer from one organism to another
Food Chain
Food Web
What do we call an interconnected set of food chains?
Food Web
Food Chains
Survival
Ecosystem
To stay alive
Survive
Perish
Energy
A word that means to die is __________.
Perish
Survive
Consume
Decay
Where does all energy begin?
Sun
Animals
The ground
How are the living creatures in an ecosystem linked?
By what they eat
By how they breathe
By their size
What can you infer from the fact that the disappearance of just one species can disrupt an entire food chain?
Every food chain depends entirely on a single species
Food chains are extremely fragile
Food chains can regenerate on their own
Food chains would not exist without humans
How is a food web different from a food chain?
Food webs contain only producers, not consumers
Food webs do not include decomposers
Food webs contain many different, linked food chains
Food webs exist in aquatic environments; food chains exist on land
What role do you play in the food web?
Producer
Consumer
Decomposer
How might lack of sunlight disrupt the food web?
It would cause consumers to consume less?
It would prevent decomposers from decomposing matter
It would prevent producers from producing nutrients?
It would not disrupt the food web at all.
How are primary consumers different from secondary consumers?
Primary consumers eat only plants; secondary consumers eat other consumers
primary consumers eat only plants; secondary consumers eat only plants
primary consumers eat plants and other consumers; secondary consumers eat plants and decompose matter
primary consumers eat plants and decompose matter; secondary consumers eat plants and other consumers
This organism is most likely
A primary consumer
A secondary consumer
A decomposer
A producer
Sheep are herbivores. What can you infer from this?
They are primary consumers
They are producers
They are secondary consumers
They are decomposers
In this food chain, which organism gets the most energy directly from the Sun?
phytoplankton
shrimp
marlin
shark
Food webs begin with energy supplied by _______
the sun
the moon
Earth's core
producers
In this food web, who would be a consumer?
sun
prarie grass
plant seeds
deer
The role of the cordgrass in this ecosystem is -
A consumer because it eats sunlight
A producer because it makes its own food
a decomposer because it gives energy to the shrimp
a consumer and producer since it gets and gives energy
In a model of a food web, decomposers _______________.
can get energy from organisms
always come after consumers
are between producers and consumers
return all energy to the sun
mushrooms, bacteria, worms, and some insects are examples of _____________.
producers
decomposers
primary consumers
carnivores
When a hurricane comes ashore, it brings large amounts of salt water with it. How might this affect the living things found in freshwater environments?
Plants that grow in salt water will begin to die out
The number of organisms in the environment will increase
Animals in this environment will begin to grow much larger
Organisms that cannot live in salt water will not surive
Many garter snakes have moved out of the ecosystem due to colder temperatures. Which statement best predicts what will happen in the ecosystem?
The mouse population in the ecosystem will decrease
The hawk population in the ecosystem will increase
The spider population in the ecosystem will decrease
The toad population in the ecosystem will increase
Commercial fishing has decreased the number of bass that used to live in this ecosystem. Which statement below best predicts what will happen in the ecosystem?
The number of minnows would increase
The number of insect larwae would increase
The number of snapper turtles would decrease
The number of snails would decrease
If these are the basic needs of a Robin, which environmental change would be harmful to the survival of a robin?
Prairie dogs digging tunnels in the ground
Beavers building a dam to create a pond
Humans clearing forests to build houses
Ants building large anthills in a schoolyard
In a balanced forest ecosystem, a disease killed many of the rodents. Which of the following is most likely to occur after this happens?
The number of owls will decrease
The amount of plants will decrease
The insect population will decrease
The number of deer will increase
