Animal Kingdom Question 629
Question: Which coelenterate is not polymorphic
Options:
A) Porpita
B) Vellela
C) Adamsia
D) Physalia
Show Answer
Answer:
Correct Answer: D
Solution:
The presence of different type of individuals in a colony to perform specific functions is referred to as polymorphism. Physalia is a disc-like hydrozoid.
Its colony consists of gastrozooids, dactylozooids, gonophores and gelatinous zooids. Hydra lack medusa and its polyp is solitary. Planaria is Platyhelminthes and not coelenterate.
BETA
