Write down the characteristics of phylum Platyhelminthes.
i) They are also called flat worms because their body is flattened.
ii) These are triploblastic animals. So their body is divided into three layers.
Ectoderm, Mesoderm and Endoderm.
iii) They are free living but most are parasites. Parasites live in the intestine and
stomach of other animals.
iv) Their common examples are Liver Fluke, Tapeworm and Planaria etc.