Decomposers micro-lesson

Rebecca Evans

Science

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Learning time

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Nature has its own way of recycling things, and it does it through organisms known as decomposers. Decomposers feed on things like animal remains, wood, fallen leaves from the trees, and even feces. If we didn't have decomposers, these things would pile up on the planet. Decomposers break these things down into smaller and simpler things that producers such as plants and algae can feed on. They add nutrients back into the soil and also back into water too. Decomposers include types of bacteria, types of fungi, and even types of insects known as detritivores. These include earthworms, termites, and even millipedes. Decomposers keep nutrients flowing.

Answer time

Kids earn more screen time by answering fun educational questions.

Here are some example of questions about this video that kids may be asked in the 1Question app to earn screen time.

Which insects are decomposers (or detritivores)?

1) All of them

2) Beetles

3) Ants

4) Flies
What are the organisms called that help nature recycle things?

1) Decomposers

2) Dinosaurs

3) Desktops

4) Dentures
Mould on bread is an example of which decomposer working?

1) Bactera

2) Fungi

3) Viruses

4) Insects
By creating nutrients, what living things do decomposers help the most?

1) Plants

2) Mammals

3) Amphibians

4) Rocks
Where do decomposers mainly live?

1) The soil

2) On the sun

3) In the back garden

4) On clothing
What do decomposers do?

1) Keep nutrients flowing

2) Stop nutrients flowing

3) shut down nutrients

4) keep things the same
Where do decomposers fit into food chains?

1) Anywhere there is waste

2) The beginning

3) The middle

4) The end
How do plants take up the nutrients that are released by decomposers?

1) Their roots

2) Their petals

3) Their stems

4) Their pollen
What do they add nutrients back into?

1) Soil and Water

2) Water and leaves

3) soil and wood

4) water and rubbish
Can all decomposers be seen with the naked eye?

1) No

2) Yes
Can decomposers break down plastic?

1) No

2) Yes
Do decomposers feed on animal remains?

1) Yes

2) No
Are some insects decomposers?

1) Yes

2) No
Are carbon and nitrogen released back into the soil through decomposers?

1) Yes

2) No
If we didnt have decomposers would we see more poop and dead animals around?

1) Yes

2) No

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Rebecca Evans

Former science and primary teacher on the Isle of Wight, UK. I am now starting up a wildlife sanctuary in Uganda where I hope children in the local area can visit to see animals and learn about wildlife and the environment.

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