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WorksheetsEcosystem and Food Chains Review Questions (1)
Total questions: 24
Worksheet time: 1hrs 1mins
How are the living creatures in an ecosystem linked?
By how they get energy (what they eat)
By how they breathe
By their size
By their species
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 in terrestrial environments.
What is grass considered?
Which is a possible food chain from the following information:
In the nearest park, a boy observes several squirrels living and interacting there. Many eat the acorns from the trees. The boy noticed that an eagle was flying and was hunting some of the squirrels. When the eagle dived down for a squirrel, the squirrel was able to escape.
Squirrel --> Acorn --> Eagle
Acorns --> Squirrel --> Eagle
Acorns --> Eagle --> Squirrel
Eagle -> Squirrel--> Acorns
Analyze the following food chain: Grass → Grasshopper → Frog → Snake. If the frog population decreases, what is the most likely impact on the grasshopper population?
The grasshopper population will increase.
The grasshopper population will decrease.
The grasshopper population will remain the same.
The grasshopper population will become extinct.
Which organism provides the energy for the producers in this model?
frogs
corn
none of them, the energy comes from the Sun
Eagle
Click on the image to make it larger---
The rabbit gets energy from the ....
(choose 2 possible anwers)
hawk
mouse
wildflowers
grass
The chameleon gets its energy from
the sun
the snake
the caterpillar
the mongoose
The model above is an example of a ...
food chain
food web
habitat
ecosystem
What will happen if deer is missing in the food chain given above?
Choose 2 correct options:
The population of tiger decreases
population of grass increases
The population of tiger increases
The population of grass decreases
What is this called?
Food Web
Food Chain
Food Pyramid
An organism that needs to eat other organisms to get energy is known as a:
Which sequence of organisms represents a food chain within this food web?
A) tadpoles —> algae -> daphnia —> back swimmers
B) sedges —> ants —> frogs —> kookaburras
C) algae —> daphnia —> decayed material —> bacteria
D) dragonflies —> sedges —> ants -> centipedes
________eat both plants and animals
consumers
omnivores
producers
decomposers
_______make their own food.
carnivores
decomposers
producers
consumers
_________ eat dead plants or animals and turns them into soil
consumers
carnivores
decomposers
producers
_____eat meat
herbivores
omnivores
carnivores
decomposers
What is needed in food webs?
producers, carnivores, decomposers
herbivores, carnivores, consumers
producers, consumers, carnivores
producers, consumers, decomposers
If plants breathe in carbon dioxide, what do they breathe out?
Nitrogen
Oxygen
Carbon monoxide
Helium
Select ALL the ways PHOTOSYNTHESIS helps an ecosystem.
Gives off oxygen to all the organisms in an ecosystem.
It helps to filter and clean the dirty, polluted air.
It helps the sun get energy.
It helps producers make their own food and starts the food chain.
