Is hydra a coelomate or acoelomate?
Hydra:
The animals (Kingdom Animalia) are mainly grouped under two categories
(a) bilaterally symmetrical and radially symmetrical
(b) coelomate and acoelomate
(c) aquatic and terrestrial
(d) vertebrates and invertebrates
Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called.
(a) Acoelomate
(b) Pseudocoelomate
(c) Coelomate
(d) Haemocoelomate
Classify scorpion and sea anemone on the basis of body cavity i.e. acoelomate, coelomate and pseudocoelomate.
Question 40 Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate) Spongilla, Sea anemone, Planaria, Liver fluke, Wuchereria, Ascaris, Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.