what is the difference between red earthworms and earthworms??? plz ans fast

Your friend is correct,

Earthworm includes any type of earthworm that are tube-shaped, segmented and are commonly found living in soil. The body of the earthworm is divided into various segments. 

The red earthworm is a type of earthworm that is reddish brown or reddish violet in colour. This is larger than the common earthworm. These are used for worm composting i.e converting waste of a household into manure.

 

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red earthworm-

Lumbricus rubellus is a species of earthworm that is related to Lumbricus terrestris. It is usually reddish brown or reddish violet, iridescent dorsally, and pale yellow ventrally. They are usually about 25 millimetres (0.98 in) to 105 millimetres (4.1 in) in length, with around 95-120 segments. Their native distribution was mainland Europe and the British Isles, but they have currently spread worldwide in suitable habitats.[1

earthworm-

An earthworm is a tube-shaped, segmented animal that is commonly found living in soil. Its digestive system runs straight through its body, it conducts respiration through the cuticle covering its skin, and it has a simple, closed blood circulatory system. As an invertebrate it lacks a skeleton, but an earthworm maintains its structure with fluid-filled chambers functioning like a hydro-skeleton.

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