Animales simples: gusanos

The video tutorial explores the diversity of worms, focusing on three major groups: flatworms, earthworms, and segmented worms. Flatworms, or tlatelmintos, have a more advanced nervous system and exhibit bilateral symmetry. Earthworms, also known as nematodes, possess a one-way digestive system. Segmented worms, or annelids, have segmented bodies and a closed circulatory system. The video also highlights the unique characteristics of leeches, a type of annelid that feeds on blood.

What are the three major groups of worms discussed?

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Describe the characteristics of flatworms.

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What is bilateral symmetry in worms?

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How do nematodes differ from flatworms?

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What is unique about the digestive system of annelids?

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