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If they are small, animals can also move around among the dead leaves and still keep largely out of sight.
Where earthworms live
Earthworms eat dead plants and animals. They also burrow their way through the soil by eating it. An earthworm eats about its own weight of soil and food each day.
There is no point in an earthworm burrowing too deeply, however, because the deeper parts of soil contain less to eat. So the home (habitat) of an earthworm is in the soil just below the surface – the region we normally call the topsoil.
Where springtails live
Springtails are tiny, wingless insects less than 10mm long. Many are able to spring from place to place, but mostly they crawl about in the leaves that rest on the soil. Springtails eat dead leaves and so they live where the leaves are moist and soft. They do not eat the dried leaves on the surface.
Use a lid with small holes so worms can breathe but not escape.
Dead leaves
Sand
Garden soil
  A jar is a suitable place to keep worms for a few days. Place a layer of soil at the bottom, then a layer of sand, and a layer of leaves above this. Add two or three worms. You can see how the worms work as they mix the yellow sand with the brown soil.
earthworms and make their home in the topsoil where the earthworms are found.
Investigating the earthworm’s
home
You can dig out a section of moist soil using a trowel and put it in a glass jar. Place a layer of sand in the jar, then a layer of moist, dead leaves. Place some earthworms on
the surface. If you cover the sides of the jar with black paper and keep the soil moist, the earthworms will behave quite normally. If you remove the black paper from time
to time, you can see exactly where the earthworms prefer to live (picture ).
Where moles burrow
Moles are the most common large animals to live entirely in the soil. They eat
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