NEETBotanyAnimal Kingdom
Select the correct statement about these organisms.
Options
- AThey exhibit tissue level of organization and are diploblastic.
- BThey have a central gastro-vascular cavity with two openings, mouth on hypostome
- CThey exhibit three basic body forms
- DAll of these
Correct answer
B. They have a central gastro-vascular cavity with two openings, mouth on hypostome
Step-by-step solution
Cnidarians exhibit tissue level of organization and are diploblastic. They have a central gastro-vascular cavity with a single opening, mouth on hypostome. Digestion is extracellular and intracellular. Cnidarians exhibit two basic body forms called polyp and medusa