Lesson Worksheet: Food Chains Science
In this worksheet, we will practice defining and identifying the main parts of a food chain that are linked together to form a habitat’s food web.
Q1:
Look carefully at the food web shown. Plants are called producers as they produce the food which starts all food chains.
Where do all living things get their energy from?
- AThe Sun
- BPlants
- CInsects
- DBirds
Q2:
What is the source of all energy in a food chain?
- AThe producer
- BThe consumer
- CThe predator
- DThe sun
Q3:
Name the producer in this food web.
- AThe mouse
- BThe snake
- CThe eagle
- DThe plant
Q4:
Fungi do not produce their own food. They consume dead plants and animals.
How would they be classified in an ecosystem?
- AConsumers
- BDecomposers
- CProducers
Q5:
Worms are decomposers. What role do decomposers play in ecosystems?
- ADecomposers produce food using energy from the Sun.
- BDecomposers consume living animals.
- CDecomposers help put nutrients back into the soil.
Q6:
Fill in the blank: Animals that eat other animals are called secondary consumers or .
- Aherbivores
- Bdecomposers
- Ccarnivores
Q7:
Organisms in an ecosystem depend on each other for survival. Diagrams called food webs (or chains) are used to show these dependent relationships.
How do food chains begin?
- AWith an animal
- BWith a plant
Q8:
Name the two producers in the food web shown.
- AZooplankton and phytoplankton
- BFish and crab
- CPhytoplankton and seaweed
- DBlue whale and leopard seal
Q9:
Which organisms produce their own food using energy from the Sun? Use the diagram to help.
- AEagles
- BSnakes
- CMice
- DPlants
Q10:
Plants use energy from the sun to produce food. Where does the mouse get its energy from?
- AThe snake
- BThe Sun
- CThe eagle
- DThe plant
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