Q:

Where do worms come from?

A:

Quick Answer

Experts say that most earthworms were imported from Europe to North America by settlers. To stabilize their ships, settlers loaded them with soil that contained earthworms and their cocoons. Glaciers had destroyed most native worm species in North America. Worms hatch from eggs or cocoons.

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Full Answer

Earthworms are not the only kind of worm. In general, worms are small animals with a long, soft body lacking appendages. A worm is also the immature form of some insects. Parasitic worms live in the intestines of animals and feed off nutrients there. A person undeserving of respect may be called a worm, as may invasive computer programs.

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Related Questions

  • Q:

    Where do earthworms live?

    A:

    Earthworms are native to Europe and have spread in range to western and central Asia, as well as North America. They typically can be found in two ecophysical areas: above or below the soil. Above-soil earthworms consume decaying vegetable matter. Sub-soil earthworms create either horizontal or vertical burrows.

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  • Q:

    How do worms move?

    A:

    Worms move by using their longitudinal muscles, circular muscles and setae. Setae are small hairs that protrude from each segment of the worm's body. Worms can extend these hairs into the surrounding dirt in order to anchor one segment of itself while it pulls the rest of its body forward.

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  • Q:

    Do worms have bones?

    A:

    Nearly all animals referred to as worms are invertebrates, including earthworms, and by definition, invertebrates do not have bones. Exceptions include worm lizards, such as the Caecilians and Anguis lizards, which look like worms but have reptilian skeletons.

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  • Q:

    Do worms have teeth?

    A:

    Worms have no teeth. They use their strong, muscular mouths to swallow pieces of leaves and dirt. The mouth is behind the firm and pointed prostomium, which is the front end.

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