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Overview of classes: Turbellaria, Trematoda, Cestoda
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What are Platyhelminthes characterized by?
Flat body, bilateral symmetry
What are Turbellaria commonly known as?
Free-living flatworms
Steps in Turbellarian feeding
1️⃣ Protrusible pharynx extends
2️⃣ Food is sucked into the pharynx
3️⃣ Digestion occurs
What are Trematoda commonly called?
Flukes
What is each segment of a tapeworm called?
Proglottid
Match the Platyhelminthes class with its feeding method:
Turbellaria ↔️ Protrusible pharynx
Trematoda ↔️ Suckers
Cestoda ↔️ Absorbs nutrients directly
What is the enlarged structure shown at the top of the image?
Tapeworm head
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