Once excysted, adult digeneans migrate to more or less specific sites in the definitive host and the life cycle repeats. Evolution. The evolutionary origins of the Digenea have been debated for some time, but there appears general agreement that the proto-digenean was a parasite of a Clade: Trematoda.
the term used to describe a species that is parasitic as a larva but free-living as an adult opisthaptor This structure in Monogenes is a large posterior attachment organ .
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Trematoda is a clade within the phylum Platyhelminthes.It includes two groups of parasitic flatworms, known as flukes.. They are internal parasites of molluscs and vertebrates.Most trematodes have a complex life cycle with at least two hosts. The primary host, where the Clade: Trematoda, Rudolphi, 1808.
What's a good word to describe adults who are not yet parents? Ask Question Asked 8 years, 3 months ago. Active Do you mean an adult who is not a carer for any other person, or an adult who does look after a person but is not that person's parent? Doing a wikicrawl revealed these two terms: DINK or DINKY — dual (or double) income, no.