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The earthworm works through the ground by insinuating its pointed head between the grains of dirt, (Hooker, 1882).

Earthworm

The earthworm works through the ground by insinuating its pointed head between the grains of dirt, (Hooker,…

Earthworms are segmented worms that live in the earth.

Earthworm

Earthworms are segmented worms that live in the earth.

"Diagrams of various earthworms to illustrate external characters. A, B, C, anterior segments from the ventral surface; D, hinder end of the body of Urochaeta." (Britannica, 1910)

Earthworm

"Diagrams of various earthworms to illustrate external characters. A, B, C, anterior segments from the…

An illustration of the various types of earthworm setae. Seta (plural: setae) is a biological term derived from the Latin word for "bristle". It refers to a number of different bristle- or hair-like structures on living organisms. "A, penial seta of Perichaeta ceylonica; b, extremity of penial seta of Acanthodrilus; c, Seta of Urochaeta; d, Seta of Lumbricus; e, Seta of Criodrilus; f, g, Setae of Bohemilla comata; h, i, j, Setae of Psammoryctes barbatus." (Britannica, 1910)

Setae of Earthworm

An illustration of the various types of earthworm setae. Seta (plural: setae) is a biological term derived…