Question

 Write a note on Liver Fluke?  

Answer 1

It is an internal parasite. It belongs to phylum Platyhelminthes.

Habitat: -

It lives in lungs, liver, stomach and intestine of other animals.

Life Cycle: -

It has two hosts

i) One stage is in man, sheep or goat etc.

ii) Other is in the body of snail.

Structure: -

i) It has leaf like structure.

ii) Oral sucker is present around the mouth.

iii) A sucker is also present at ventral side. It helps it to remain attach with host. 

Nutrition: -

It sucks food by oral sucker.

Question: Write a note on Tape Worm?

It is a parasite. It belongs to phylum Platyhelminthes.

Size: -

It size ranges upto 40 feet.

Structure: -

i) Its body is long, tape like and segmented.

ii) Head is slightly larger than the body.

iii) Head does not have eyes and body cannot move.

iv) New segments arise at posterior side. Older segments are pushed away and

expelled out from the host.

Growth: -

i) The detached pieces can enter into the body of another animal through food.

ii) Then these parasites grow inside the intestine and absorbs the digested food of

man.