Broader definitions of chemicals or chemical substances can be found, for example: the term 'chemical substance' means any organic or inorganic substance of a particular molecular identity, including â (i) any combination of such substances occurring in whole or in part as a result of a chemical reaction or occurring in nature.
The major groups of worms include various species of flatworm, annelid, ribbon worm, spiny-headed worm, and aschelminth. Worms typically have an elongated, tubelike body, usually rather cylindrical, flattened, or leaflike in shape and often without appendages.
Confidence votes 77.8K. Depends on what kind of worm you are talking about. In general, a worm is an annelid (Phylum Annelida), and there are a lot of them. For just one example, the scientific name for an earthworm is Lumbricus terrestris.And that's just one of some 2,700 different types of earthworm. Links are provided below to connect you with the related Wikipedia articles.n general, a worm is an annelid (Phylum Annelida), and there are a lot of them. For just one example, the scientific name for an earthworm is Lumbricus terrestris. And that's just one of some 2,700 different types of earthworm. Links are provided below to connect you with the related Wikipedia articles.