... >> Natural Science >> Zoology >> Hydroid
Highest Rated Sign
Nobody has posted a sign yet.
Definition: The polyp form of a cnidarian as distinguished from the medusa form. Any cnidarian of the class Hydrozoa, order Hydroidea.
Source: Hickman, C.P., et al. 2011. Integrated Principles of Zoology. Fifteenth Edition. McGraw-Hill Higher Education.