Are you asking: "how long does a flatworm live?"
If so, this is not an answerable question--there are too many types of flatworms to make a generalization.
I personally know of one type of flatworm which can re-generate--cut off any part of it's body, and that part will re-generate. As long as the head remains attached, the re-generation can take place.
I did a science project using freshwater planarians, where I explored this phenomenon.
No it isn't. If it was a mammal it would have live babies and breastfeed its young, but a flatworm lays eggs.
tapeworm
It could be a tapeworm.
parasites digestive system they live on their host's
flatworm
where are the reproductive organs located in a flatworm
a part of a guy
The marine flatworm belongs to the Phylum Platyhelminthes.
Platyhelminthes is the phyla of the marine flatworm.
a dead host because a flatworm need a living host
No, a flatworm does not have a body coelom.
A marine flatworm has bilateral symmetry.