Question

platyhelminthes explain ? any four points​

Answer 1

Answer:

Phylum Platyhelminthes belongs to kingdom Animalia. This phylum includes 13,000 species. The organisms are also known as flatworms. These are acoelomates and they include many free-living and parasitic life forms.

Members of this phylum range in size from a single-celled organism to around 2-3 feet long.

Characteristics of Platyhelminthes

Platyhelminthes have the following important characteristics:

They are triploblastic, acoelomate, and bilaterally symmetrical.

They may be free-living or parasites.

The body has a soft covering with or without cilia.

Their body is dorsoventrally flattened without any segments and appears like a leaf

Answer 2

1) Dorsoventrally flattend animals

2) bilateral symmetry

3) triploblastic

4) specialised flame cells or solenocytes for excretion

5) sexes are not separate except schistosoma

6) fertilisation may be self cross and internal

ex- fasciola(liver fluke)

Dugesia(planaria)

taenia( tape worm)

plss mark as brainliest