Phylum Porifera | Animal kingdom | Biology | Khan Academy
Channel: Khan Academy India - English
Date: 2023-04-19

Let's learn about sponges - the animals that belong to the phylum Porifera.

00:00 Introduction
01:20 Water transport system
04:11 Choanocytes, spicules, and spongin
06:23 Asexual reproduction
06:57 Sexual reproduction

Practice this concept - https://www.khanacademy.org/science/in-in-class-11-biology-india/x9d1157914247c627:animal-kingdom/x9d1157914247c627:asymmetry-and-radial-symmetry/e/porifera-cnidaria-and-ctenophora

Master the concept of "Lower animals" through practice exercises and videos - https://www.khanacademy.org/science/in-in-class-11-biology-india/x9d1157914247c627:animal-kingdom/x9d1157914247c627:asymmetry-and-radial-symmetry/v/crash-course-biology-121

Check out more videos and exercises on Animal kingdom - https://www.khanacademy.org/science/in-in-class-11-biology-india/x9d1157914247c627:animal-kingdom

To get you fully ready for your exam and help you fall in love with Biology, find the complete bank of exercises and videos for Class 11 Biology here - https://www.khanacademy.org/science/in-in-class-11-biology-india

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