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Exploring Animal Evolution: Invertebrates and Their Role in Ecosystems

Discover the fascinating world of invertebrates, focusing on roundworms and arthropods. Learn about their unique features, including protective cuticles and vital roles in nutrient cycling. Explore how roundworms can be parasites and even cause diseases like elephantiasis.

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Exploring Animal Evolution: Invertebrates and Their Role in Ecosystems

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  1. Lecture 5Animal Evolution – The Invertebrates

  2. 6. Roundworms • Tapered at both ends; protective cuticle covers it. • Tough cuticle & flexible; molted repeatedly. • Play vital roles in the cycling of nutrients in the ecosystem. • Many are parasites. • Elephantiasis – caused by roundworm.

  3. Arthropods

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