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Licemer1 [7]
2 years ago
13

What are the different worm phylums? Describe the differences between the three and give examples for each.

Biology
1 answer:
Evgesh-ka [11]2 years ago
4 0
The three main worm phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has two openings. Segmented worms have a closed circulatory system in which blood is enclosed in blood vessels. These are important steps in the evolutionary development of animals.
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<h3>What is an hypothesis?</h3>

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