Earthworm Classification and Introduction
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Vocabulary flashcards covering the biological classification and introductory features of Earthworm (Pheretima posthuma) from the lecture notes.
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8 Terms
Kingdom Animalia
Biological kingdom defined as multicellular heterotrophs.
Phylum Annelida
Phylum name derived from Annulus meaning King and eides meaning Form.
Class Oligochaeta
Class derived from Oligos (few) and chaeta (hair like locomotory organ i.e. setae).
Pheretima
The largest genus of earthworms.
Species Posthuma
Species classification given due to the presence of prostomium.
Earthworm
The common name for Pheretima posthuma, which lives in and feeds on soil.
Cosmopolitan
Term meaning easily found everywhere in distribution, which is why earthworms are chosen for study purpose.
Reported Earthworm Species
About 1000 species of earthworms are reported yet.