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worms (nematocles (free living (cilindring body (separated sexes…
worms
nematocles
free living
cilindring body
separated sexes
sexualy
annelids
ringed worms
cilindrical body
metameres
bristles
sexually
cross fertilitation
plathyhemintes
flatworms
free livings
parasites
flat body divide in to two rings
self fertilitation
hermaphrodites
sexually