WorksheetsProducers, Consumers and Decomposers
Total questions: 17
Worksheet time: 9mins
Which of the following is a producer in an ecosystem?
Grass
Lion
Earthworm
Mushroom
What is the main role of producers in a food chain?
Breaking down dead matter
Making their own food using sunlight
Eating other animals
Consuming plants
Which of the following is NOT a type of consumer?
Herbivore
Carnivore
Producer
Omnivore
Which organism is an example of a decomposer?
Oak tree
Cow
Mushroom
Eagle
Which of the following is a type of decomposer?
Fungi
Grasshopper
Rabbit
Sunflower
Which of these is an example of a producer?
Algae
Fox
Earthworm
Vulture
Which of the following best describes the importance of decomposers in an ecosystem?
They produce food for all organisms.
They break down dead organisms and recycle nutrients.
They hunt and eat other animals.
They use sunlight to make food.
A rabbit eats grass, and a fox eats the rabbit. What type of consumer is the fox?
Herbivore
Carnivore
Producer
Decomposer
Why are producers essential for the survival of consumers in an ecosystem?
They decompose dead matter.
They provide oxygen and food for consumers.
They eat other animals.
They recycle nutrients.
Which of the following pairs correctly matches a decomposer with its type?
Bacteria – Plant
Earthworm – Animal
Mushroom – Fungi
Grass – Fungi
If all decomposers were removed from an ecosystem, what would most likely happen?
Plants would grow faster.
Dead plants and animals would pile up.
More producers would appear.
Consumers would become decomposers.
Which statement best explains how decomposers help maintain the balance of an ecosystem?
They create energy from sunlight.
They recycle nutrients back into the soil for producers to use.
They eat only living animals.
They prevent producers from growing.
Which of the following is NOT an example of a decomposer?
Bacteria
Fungi
Grass
Earthworm
Which of these best describes the relationship between producers and consumers?
Producers eat consumers.
Consumers depend on producers for food.
Producers break down dead matter.
Consumers make their own food.
A student observes a rotting log covered with mushrooms and insects. What role are the mushrooms playing in this ecosystem?
Producer
Consumer
Decomposer
Predator
Which of the following best explains why decomposers are important for producers?
Decomposers provide sunlight for producers.
Decomposers recycle nutrients that producers need to grow.
Decomposers eat producers.
Decomposers compete with producers for food.
A farmer notices that crops are not growing well even though they are watered regularly. After testing, the soil is found to lack decomposers. What is the most likely reason for the poor crop growth?
There is too much sunlight.
Nutrients are not being recycled into the soil.
There are too many producers.
Consumers are eating all the crops.
