Question
Biology Question on Kingdom Animalia
_________ is known as Portuguese man of war.
A
Porpita
B
Velella
C
Physalia
D
Aurelia
Answer
Physalia
Explanation
Solution
Physalia is commonly called as "Portuguese man of war" and forms a massive, free floating pelagic colony. I texhibits a remarkable example of polymorphism and
division of labour. Physalia is characterised by the presence of enormous bladder-like and brightly ? coloured float or pneumatophore, produced dorsally into a crest or sail. Just below the float, tentacles and three types of zooids, gastrozooids (nutritive in function), dactylazooids (protective in function and also assist in capturing food) and gonozooids (reproductive in function) hang down.