Classify the animals into their respective phyla. Hydra, liver fluke, earthworm.

Liver Fluke has

liver Fluke of Cattle is

The intermediate host in the life-cycle of liver fluke is

chinese or oriental Liver Fluke is

Match animal in column l with their respective respiratory structure in column II.

Intermediate host of human liver fluke is

…………….... classified animals into two groups, those which have red blood and those that did not.

Respiratory system plays an important role of enabling gas exchange and supply of oxygen to the animals. Although, the basic mechanism of the system remains same , animals display variation in their respiratory system. In the following columns match the animals with their organ for respiration. {:(,"Animal",," Respiratory"),(1,"Kangaroo",P,"Moist cuticle"),(2,"Pomfret ",Q,"Lungs"),(3,"Cockroach",R,"Gills"),(4,"Earthworm",S,"Tracheal tubes"):}

Metacercaria of Liver Fluke is

Which one of the following stages in the life history of liver fluke infects the sheep ?