The answer is that earthworms help to build soil and fertilize
not really.
by rain and wind
Earthworms
Weathering and erosion
true
true
Earthworms tunnel through the soil and move soil particles around. The motion breaks some particles into smaller particles. It also exposes fresh surfaces to continued weathering.
Earthworms tunnel through the soil and move soil particles around. The motion breaks some particles into smaller particles. It also exposes fresh surfaces to continued weathering
The bristles are called setae or chaetae. They are 's' shaped and are made up of chitine. They aid in locomotion.
Organisms can aid in both chemical and mechanical weathering. Roots of any plant will expand into rock and force it to break apart. Additionally some organisms like lichen exude acids that help to break down rock surfaces.
earthworms travel faster
The bacteria in earthworms is called Eisenia Fetida it's in most earthworms