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Welcome to eGyanKosh’s dedicated page for Exercise 2 on Porifera, part of the comprehensive study material provided by IGNOU for the year 2025. This resource offers a deep dive into the fascinating world of sponges, focusing on their observation and classification. Whether you’re a student eager to enhance your understanding of these unique organisms or an enthusiast exploring the intricacies of marine biology, this material is designed to facilitate your learning experience. With a variety of specimens ready for examination, you can engage with the content at your own pace and access all necessary resources for free download. Join us in unlocking the mysteries of Porifera and enrich your studies today!