Presentation about Roundworm,Segmented worms and molluscs
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Presentation about Roundworm,Segmented worms and molluscs
Need this tomorrow kahit brief lang po thanks!
(Note: Answer that is not related to the topic or is not nice, will be reported.)
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Answer:
Good morning everyone,
Today I am going to talk about three types of worms: roundworms, segmented worms, and molluscs.
Roundworms, also known as nematodes, are one of the most common animals on Earth. They are tiny, thin, unsegmented worms with a slender and cylindrical body. They can range in size from a few millimeters to a few meters in length. They usually have a simple digestive system and a small nervous system. Most roundworms are parasites that feed on other organisms, while others are free-living.
Segmented worms, also known as annelids, are segmented worms that incorporate a body divided into repeating segments. They have a well-developed nervous system, advanced sense organs, and a closed circulatory system. They are mainly aquatic and can be found in both fresh and salt water. Examples include earthworms, ragworms, and leeches.
Molluscs are a large group of invertebrates that include snails, slugs, clams, and octopuses. They have a soft, unsegmented body, a muscular foot, and a hard outer shell. They have a complex digestive system and a well-developed nervous system. They are mostly aquatic, but some are terrestrial.
All three types of worms have adapted to their environments in different ways. Roundworms have a slimy coating that helps them move through the soil and attach to their hosts. Segmented worms have adapted to living in both fresh and salt water, while molluscs have adapted to living in both aquatic and terrestrial environments.
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