Class 11 Biology | Animal Kingdom - XVI

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In this video, we explain Page 30 of Chapter 4 – The Animal Kingdom from Class 11 Biology, focusing on Phylum Chordata – Class Chondrichthyes vs Class Osteichthyes.
Learn the differences between cartilaginous and bony fishes, their structure, examples, and adaptations in a simple, NCERT-based explanation perfect for CBSE Class 11 & NEET 2025 aspirants.

📘 Topics Covered in This Video:

Introduction to Chondrichthyes (Cartilaginous Fishes)

Introduction to Osteichthyes (Bony Fishes)

Comparison of key features:
▫️ Skeleton (Cartilage vs Bone)
▫️ Respiration & Circulation
▫️ Scales & Gills
▫️ Fertilization & Development
▫️ Habitat & Body Form

Important Examples: Scoliodon (Dogfish), Torpedo, Trygon, Labeo (Rohu), Catla, Clarias (Magur)

🎓 Why Watch This Video?
✅ Directly from Nectar Biology Book Class 11
✅ Based on NCERT Class 11 Biology Chapter 4
✅ Easy comparison table for NEET MCQs & CBSE exams

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