Class 11, Chapter 4, Platyhelminthes Explained 🪱 | Peculiar Features of Flatworms in Animal Kingdom

Discover the fascinating world of **Platyhelminthes**, also known as **flatworms**! 🧬 These simple yet significant organisms belong to the phylum of acoelomate animals and exhibit unique features that set them apart. In this video, we explore:

🔍 *Peculiar Features of Platyhelminthes*
🪱 **Body Shape**: Dorsoventrally flattened, soft-bodied
🧬 **Symmetry**: Bilateral symmetry for directional movement
🧫 **Level of Organization**: Organ level (first phylum to show this)
🌱 **Germ Layers**: Triploblastic (three layers: ectoderm, mesoderm, endoderm)
❌ **Coelom**: Acoelomate—no body cavity
🧠 **Nervous System**: Ladder-type with paired ganglia and longitudinal nerve cords
🍽️ **Digestive System**: Incomplete or absent in parasitic forms
💧 **Excretion**: Flame cells for osmoregulation and excretion
🧬 **Reproduction**: Mostly hermaphroditic; high regenerative capacity
🦠 **Parasitism**: Many are parasitic (e.g., tapeworms, liver flukes)

These features make Platyhelminthes a crucial group in understanding the evolution of body plans and organ systems.

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Platyhelminthes Features, Flatworms, Acoelomate Animals, Bilateral Symmetry, Flame Cells, Tapeworms, Liver Flukes, Animal Kingdom, Zoology Education, Biology Class 11, Triploblastic Animals, Organ Level Organization


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