Hydranths in Obelia colony are: Phylum Cnidaria or Coelentrata Mcqs August 24, 2019 BILAL KHATTAK0 A.Feeding zooids B.Sensory zooids C.Reproductive zooids D.None of these Related Mcqs: Colony of Obelia is: Obelia colony has: Chitinous covering ocer the colony of Obelia is: In a polymorphic cnidarians there are: Which of the following is not an indicative biological trait for the trait of ecology? All the proglottids in a tape-worm contain: Medusa of Obelia is: Tentacles in Obelia polyp are: In which of these the perisarc forms shelf like ring in Obelia: Colony of Obellia is: