The body of the earthworm consists of well-marked segments. The tip at the front is its main spatula, it lacks any organs, eyes or tentacles. Each segment of the body contains 4 small setae. On the peel there is a cuticle, in which there are skin glands moisturizing the skin. This moistening of the raincoat is vital.
If you consider the worm, you can find a small thickening, called a girdle and playing an important role in reproduction. Skin-muscular sac very developed. The worm body of the worm can be stretched and vice versa shortened due to the presence of special muscle groups.
Raincoats live in the ground, laying a course in it. At night, they go to the surface in search of food, which they then drag into their burrows. The diet of the earthworm consists of various organics. In the feces of raincoats, there are many small earthen particles that they lay on the surface of the earth, increasing the fertile layer.
Common reproduction of worms is a pair. Seed exchange occurs after a close fit of two individuals to each other. But in the absence of a partner for pairing, the worm can multiply itself.
The life cycle of worms is almost the same for all species. Therefore, consider it with the example of ordinary rain.
Earthworms inhabited the upper layer of the soil, breaking holes in it, thereby loosening it. In addition, the earthworm very often has to swallow the ground, passing it through its intestines, digesting all the organic matter in it, and then throw it out in the form of lumps.