Flatworms
Platyhelminthes
Summary 2
The flatworms, flat worms, Platyhelminthes, Plathelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates. Unlike other bilaterians, they are acoelomates (having no body cavity), and have no specialized circulatory and respiratory organs, which restricts them to having flattened shapes that all
Fuentes y créditos
- (c) rmpaull, todos los derechos reservados
- (c) Wikipedia, algunos derechos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Platyhelminthes
