Decomposers in Ecosystems Quiz

What is the role of decomposers in an ecosystem?

• They produce energy from sunlight.

• They eat living plants and animals.

• They break down dead material and return nutrients to the soil.

• They hunt and eat other animals.

Which of the following is an example of a decomposer?

• Lion

• Mushroom

• Eagle

• Shark

What do dung beetles primarily feed on?

• Fresh leaves

• Animal dung

• Live insects

• Tree bark

Why are decomposers important for soil health?

• They increase the soil's temperature.

• They remove all nutrients from the soil.

• They return nutrients to the soil, improving its quality.

• They prevent water from reaching the soil.

What do earthworms help decompose?

• Fresh fruits

• Decaying leaves and plant debris

• Live animals

• Fresh flowers

What is a food web?

• A network of roads

• A natural connection among living things

• A type of spider web

• A collection of human-made structures

Which of the following is NOT a role of decomposers?

• Breaking down dead animals

• Producing oxygen

• Returning nutrients to the soil

• Breaking down dead plants

What do flies lay their eggs in to help decompose?

• Fresh fruit

• Animal waste

• Flower petals

• Tree bark

What do termites consume to help decomposition?

• Fresh grass

• Wood

• Live insects

• Fresh leaves

What is the main benefit of decomposers breaking down dead material?

• They create new living organisms.

• They make the soil infertile.

• They prevent the spread of diseases.

• They return nutrients to the soil for new plant growth.