distinguishing characteristics of platyhelminthes
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distinguishing characteristics of platyhelminthes
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They may be free-living or parasites.
The body has a soft covering with or without cilia.
They are devoid of the anus and circulatory system but has a mouth.
They respire by simple diffusion through the body surface.
They have an organ level of organization.
They do not have a digestive tract.
They are hermaphrodites, i.e., both male and female organs are present in the same body.
They reproduce sexually by fusion of gametes and asexually by regeneration by fission and regeneration. Fertilization is internal.
The life cycle is complicated with one or more larval stages.
They possess the quality of regeneration.
The nervous system comprises the brain and two longitudinal nerve cords arranged in a ladder-like fashion.