Question

physalia is a
(a)solitary zooid
(b)Dimorphic colony
(c)Trimorphic colony
​

Answer 1

Physalia is a Dimorphic colony.  

Explanation:

It is a carnivorous animal and eats small fishes. This is also called Portuguese man-o-war as they can float on the water. It has a string like structure with venom in the string. The venom is neurotoxic , cytotoxic and as well as cardiotoxic effects in the human. So it causes severe pain and burning sensation in the human body.

This is made up of four different polyp like pneumatophore, gastrozoids, dactylozooids and gonozooids.