Question

Are all the Platyhelminthes parasites?

Answer 1

Answer:

Platyhelminthes very commonly known as flatworms or tapeworms, these animals are soft-bodied invertebrate animals. There are around 20,000 species of these animals. A few of these live as parasites on humans and other animals. ..

Explanation:

Answer 2

No, all the Platyhelminthes are not parasites.

Explanation:

• Phylum Platyhelminthes include flatworms that are parasitic and free-living.

• Free-living worms are aquatic, whereas the parasitic forms get attached to the host body.

The worms which are parasitic include:

• Tapeworm Taenia solium is a parasite in the intestine of humans.

• Liver fluke Fasciola is a parasite of the liver of sheep.

• The free-living worm includes Planaria – Dugesia. It is aquatic and doesn’t depend upon host for its nutrients.