9 Questions
What is the main difference between polyp and medusa body forms in Cnidaria?
Polyps have a complex gastrovascular cavity with radial and circular canals, while medusas have a simple gastrovascular cavity.
Which class of Cnidaria always has the polyp body form?
Anthozoa
What is the key feature of the gastrovascular cavity in medusas?
Lack of radial or circular canals
In which class of Cnidaria do symptoms like burning, itching, and numbness occur?
Scyphozoa
What is the purpose of the long stalk present in polyps?
Protection against predators
Which body form in Cnidaria is more concerned with sexual reproduction?
Polyp
What are the typical symptoms associated with Scyphozoa class in Cnidaria?
Nausea, vomiting, and throbbing pain
Which body form in Cnidaria involves a more complex reproductive process?
Polyp
What distinguishes the reproductive process between polyps and medusas in Cnidaria?
Polyps reproduce sexually by gametes, while medusas reproduce asexually by budding.
Learn about the phylum Cnidaria, containing over 10,000 species of aquatic animals with unique characteristics such as true tissues, incomplete digestive system, and two germ layers. Explore the classes within Cnidaria and their distinguishing features.
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