Question

describe metagenesis in cnidarians.?
full form of ICZN is.? name the term systamatics.?

Answer 1

• The Cnidaria exhibit either of the two basic body forms polyp and medusa. Some cnidarians which shows both forms exhibit alternation of generation also known as metagenesis, where the organism exhibiting two different forms have both sexual and asexual form of life cycle. The polyp produced medusae through sexually and the medusae formed polyp asexually.
• ICZN stands for International Code of Zoological Nomenclature.
• Systematics is the branch of science which study the arrangement of organisms, their relationship among each other. It basically takes into account evolutionary relationship between organisms.