Description
The body of an earthworm is made up of many segments, or rings. Each segment contains a pair of setae, which are stiff bristles that help the worm move through the soil. The segments are also connected by muscles that allow the worm to contract and expand its body.
The mouth of an earthworm is located at the front of its body. The mouth is surrounded by a ring of cilia, which are tiny hairs that help the worm move food into its mouth. The food then travels through a long digestive system, where it is broken down into nutrients.
The anus, or excretory opening, of an earthworm is located at the back of its body. Waste products are expelled from the worm through the anus.
Habitat and Diet
Earthworms live in soil, where they burrow and create tunnels. They are found in a variety of habitats, including forests, grasslands, and gardens.
Earthworms are detritivores, which means that they eat dead organic matter. They feed on decaying leaves, twigs, and other plant material. As they eat, they mix the organic matter with the soil, which helps to improve soil fertility.
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