differentiate miracidium and cercaria larval forms?



differentiate miracidium and cercaria larval forms?..

Answer / jaintha

Miracidium:it is the larval form found in platyhelminthes.
It is highly organised bears an anterior boring papilla
which gives rise to primary digestive sac.
it hatches out of egg swims in water in search of
intermediate host which is a snail of genus bulinus.
miracidium can live for 24 hrs in water.
it migrates into snail and enters into visceral mass changes
into sporocysts.


Cercaria;

It is oval shaped with a forked tail.
provided with two suckers.surface is covered with minute spines.
mouth is present in oral sucker.
5 pairs of mucous glands are present.
rudiments of genital organs are situated behind the ventral
sucker.
excretory sysytm is represented by 3 pairs of flame cells.
it swims about 3 days and finally enters into human body.

Is This Answer Correct ?    3 Yes 1 No

Post New Answer

More Zoology Interview Questions

why do biologist study protostomes

0 Answers  


in schistosoma haematobiasis what is the use of gynaecophoric canal?

2 Answers  


Which enzyme converts milk into cheese ? Is it found in human body?

2 Answers  


jelly fish belongs to which animal phylum?

3 Answers  


Which animal produces the biggest baby?

0 Answers  






Why do elephants flap their ears so much?

0 Answers  


what is system ? detail it.

3 Answers  


As a biologist studying Acoelomates, what techniques or methods would you use to investigate their physiology and behavior?

0 Answers  


What is called animals that swim about in sea?

0 Answers  


Which large turry mammal spends all day hanging upside down in the trees in the rain forest of south america?

0 Answers  


Why a worm can live, when it is cut into twos ?

2 Answers  


what is a keber's organ?with what function it associates?

3 Answers  


Categories