soil firms up around them
Earthworms make pores in the soil, allowing it to store water making the plants that grow in it healthier.
No, earthworms cannot hear, but the feel the vibrations through the ground. That is their form of sight and hearing.
It use their side's mussel to move.
Yes that is one way they move through the soil, along with the help of the interaction of muscles
The food is passed through the digestive tract when the worm moves. The movement causes the muscles to contract and move the food through the system.
Evaporation or a body of water.
the water cycle
An amoeba
Siphon .
An amoeba
ENERGY MOVE THROUGH ENVIRONMENT BY different kinds, by air, water, natural resorces, trees, plants,by all these energy will full... in all days these process was helding
Probably to make movement easier and/or quicker. Earthworms use it today to move easier through soil.