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Platyhelinthes (body (dorso-ventrally flattened body (hence, called…
Platyhelinthes
body
dorso-ventrally flattened body
hence, called flatworms
bilaterally symmetrical
triploblastic
acoelomate
organ level of organisations
Hooks and suckers
in parasitic forms
some absorb nutrients from host directly through body surface
Flame Cells
specialised cells
help in osmoregulation and excretion
life processes
excretion
flame cells
reproduction
bisexual
internal fertilisation
indirect development
many larval stages
Examples
Taenia
- Tapeworm
Fasciola
- Liver fluke
MISC.
mostly endoparasites found in animals
Some members of this phylum, like
Planaria
possess high regeneration capacity