What are all the characteristics of helminths?

1 Answer
Jan 8, 2018

The characteristics are as follows: See EXPLAINATION

Explanation:

HABITAT: Endoparasites found in animals.

SYMMETRY: Bilateral symmetry.

ORGANISATION LEVEL: Organ level.

SKELETON: Dorsoventrally flattened body called flatworms too.

REPRODUCTION: Hermaphrodites

FERTILISATION: Internal

DEVELOPMENT: Indirect (Larvae formation)

EXAMPLE: Planaria
Tannenia(Tapeworm)
Fasciole(Liverfluke)
FEATURES:
1). Hooks and suckers are present in parasitic form for support and absorption. Some of them absorb nutrition from the host directly to body surface.
2). Flame cells helps in osmoregulation*. These flamecells helps in excretion too.
3).They are triploblastic.

  • Maintainence of constant osmotic pressure in fluid of organism by control of water and salt concentration