Ecole du Nord

The decomposition CM1

What is organic matter ?

Organic matter is a matter resulting from the decomposition of living beings (animals, plants, etc.)

What is litter ?

Litter is the collection of dead leaves and decaying plant debris that covers the soil.

What is the cycle of organic matter?

In the earth, the plant produces the elements it needs such as mineral salts such as calcium and potassium. They are present in the earth and are in fact the result of the decomposition of leaves that have fallen to the ground. We are talking here about the life cycle of organic matter