In commercial and everyday use, the term weight is usually used to mean mass, and the verb to weigh means to determine the mass of or to have a mass of. Used in this sense, the proper SI unit is the kilogram (kg).
For other uses, see Aphid (disambiguation). Aphids, also known as plant lice and in Britain and the Commonwealth as greenflies, blackflies, or whiteflies (not to be confused with jumping plant lice or true whiteflies), are small sap-sucking insects, and members of the superfamily Aphidoidea.
Arthropods are a group of animals which have two jointed bodies, segmented, and have eight legs. These are similar to insects. Scorpions and Spiders are Arthropods. They can be found almost everywhere, in land or water, but are mostly found hiding beneath leaves or rocks, and other dark and maybe damp places.lolmaow Â· 7 years ago.hese are similar to insects. Scorpions and Spiders are Arthropods. They can be found almost everywhere, in land or water, but are mostly found hiding beneath leaves or rocks, and other dark and maybe damp places. lolmaow Â· 7 years ago.