For example, the allowance for doubtful accounts is a contra asset account, and it is paired with the trade accounts receivable account. When combined, the two accounts show the net amount of cash expected to be received from outstanding accounts receivable.he purpose of a contra asset account is to store a reserve that reduces the balance in the paired account. By stating this information separately in a contra asset account, a user of financial information can see the extent to which a paired asset should be reduced.
From Wikipedia, the free encyclopedia. The flatworms, or Platyhelminthes, Plathelminthes, or platyhelminths (from the Greek ÏÎ»Î±ÏÏ, platy, meaning flat and á¼Î»Î¼Î¹Î½Ï (root: á¼Î»Î¼Î¹Î½Î¸-), helminth- , meaning worm) are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.hese are often called flukes, as most have flat rhomboid shapes like that of a flounder (Old English floc). FlÃ³c they have 11,000 11000, species more than all other platyhelminthes, combined and second only to roundworms among parasites on. metazoans
Common names for woodlice vary throughout the English-speaking world. A number of common names make reference to the fact that some species of woodlice can roll up into a ball. Other names compare the woodlouse to a pig.ill millipedes can be distinguished from woodlice on the basis of having two pairs of legs per body segment instead of one pair like all isopods. Pill millipedes have twelve to thirteen body segments, with a large shield-like posterior segment, whereas woodlice have eleven, and small posterior segments.