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:

    What is the life cycle of an earthworm?

    A:

    Eggs that come from earthworms are wrapped in a protective cocoon. The eggs are sequestered in the ground for protection. Earthworms are able to hatch in 14 days in warm weather but take up to 60 days to hatch in cold weather. The average lifespan of a worm is four to eight years.

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  • Q:

    How do earthworms adapt to their environment?

    A:

    Over time, earthworms have developed several structural, physiological and behavioral adaptations through evolution. These beneficial features have allowed them to become better suited to their environment.

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  • Q:

    What animals eat earthworms?

    A:

    A wide variety of animals eat earthworms, including rats, birds, foxes, moles, shrews, snakes, frogs, snails, salamanders, skunks and toads. Some insect species such as ants and beetles also feed on earthworms.

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  • Q:

    Why are earthworms unable to self-fertilize?

    A:

    A common misconception is that, because earthworms have both male and female sex organs, they can self-fertilize. However, earthworms? sex organs grow at opposite ends of their bodies, making it impossible for one worm to fertilize its own eggs.

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