Platyhelminthes - Biology

Platyhelminthes - Biology platyhelminthes Platyhelminthes , evolution , evolutionary capacity level Abstract The evolution of certain ontogenetic processes appears to be of special importance to platyhelminthes Phylum Platyhelminthes Dr Boonsatien Boonsoong ~fscibtb Class Cestoda ❖Tape worms ❖No digestive system ❖Live in intestine host

platyhelminthes Platyhelminthes are bilaterally symmetrical, soft-bodied and unsegmented animals, and are known as the �flatworms� because they are often dorso-ventrally

platyhelminthes Eumetazoa > Phylum Platyhelminthes พลานาเรีย พยาธิใบไม้ พยาธิตัวตืด Flatworms have a flat body with an array of organ systems, but no body cavity Another characteristic of the platyhelminthes is cephalization, which means that one end of the animal functions as a head The “head” contains a mass of nerve