worm species

What Is The Characteristic Of A Flatworm Digestive System?

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What Is The Characteristic Of A Flatworm Digestive System? Flatworms have an incomplete digestive system. This means that the digestive tract has only one opening. Digestion takes place in the gastrovascular cavity. Flatworms do not have a respiratory system. Do flatworms have a complete digestive system? Like the cnidarians, flatworms have a digestive system with

What Is The Lifespan Of A Flatworm?

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What Is The Lifespan Of A Flatworm? The flatworm’s lifespan is uncertain, but in captivity members of one species lived from 65-140 days. How old is a flatworm? Having colonised almost every habitat, and, in the case of their parasitic lineages, almost every species of vertebrate, flatworms are truly ubiquitous. Recently estimated to be as