Phylum Echinodermata Diversity in Living Organisms Class 9 Biology 202324

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=V0QG1ZWpsxA

✔️📚👉 Watch Full Free Course:- https://www.magnetbrains.com • ✔️📚👉 Get Notes Here: https://www.pabbly.com/out/magnet-bra... • ✔️📚👉 Get All Subjects playlists:- https://www.pabbly.com/out/all-videos... • =============================================== • ✅ In this video, • ✔️ Class: 9th • ✔️ Subject: Biology • ✔️ Chapter: Diversity in Living Organisms • ✔️ Topic Name: Phylum Echinodermata • =============================================== • 00:00 Introduction: Phylum Echinodermata • 00:32 Phylum: Characteristics of Echinodermata • 01:36 Website Overview • =============================================== • 📢 🔥 Available (Kindergarten to 12th) all Video Subject wise Playlist https://www.pabbly.com/out/all-videos... • Why study from Magnet Brains? • Magnet Brains is an online education platform that helps give You NCERT/CBSE curriculum based free full courses from Kindergarten to Class 12th so that you can perform well in any and all exams you give in your academic career. • 👉 Contact us 🤑🤑 • ➡️ Connect with us : [email protected] • ➡️ Website : https://www.magnetbrains.com/ • ➡️ Subscribe to us on YouTube: https://www.youtube.com/MagnetBrainsE... • ➡️ Facebook : / magnetbrains • • Points covered in this video:- • In Greek, • Echino - Spiny • Dermata - Skin • These are spiny skinned organisms • Star shaped, spherical, elongated • Radial symmetry is present • Exclusively free living marine animals • Triploblastic • Coelomic cavity is present • No segmentation • Organ system level of organisation • They have water driven tube system for locomotion • Water vascular system helps in • Transportation • Respiration • Locomotion • Body wall is covered with spiny hard and calcareous plates that forms endoskeleton • Body lacks head, but has oral and aboral surfaces • Excretory system is absent • Nervous system is primitive . • Disclaimer: This video is for educational and informational purposes only and is not intended to infringe on any copyrights. If you believe that this video has used any copyrighted material in a way that constitutes copyright infringement, please contact us at [email protected] and we will take appropriate action.

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