Q:

Do worms have bones?

A:

Quick Answer

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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Full Answer

In addition to earthworms, other boneless animals commonly called "worms" include nematodes, flatworms, priapulid worms and a variety of marine worms, such as bristleworms, bootlace worms and arrow worms. Caterpillars, grubs and maggots are often categorized as worms" too, though they are insect larvae rather than their own worm-bodied species. Worms inhabit nearly every type of environment, acting as an important part of the food chain worldwide.

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    Do earthworms have eyes?

    A:

    Earthworms do not have eyes, but they are equipped with cells that can sense changes in the intensity of light as well as cells that can respond to and measure touch. Earthworms are very primitive organisms who do not need to depend on sight to feed as they spend their lives simply moving through the soil and getting their nutrients from it.

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    Do earthworms have brains?

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    Earthworms have brains. These brains are connected to the nerves in the skin and the muscles, allowing them to feel, move and function properly.

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    How do earthworms reproduce?

    A:

    Earthworms reproduce through a unique copulation process whereby two worms line up against each other and excrete a type of mucous that forms a layer that encapsulate their bodies. Both worms release sperm into the mucous. After various other processes are completed, the sperm reaches the sperm receptacles on the opposite worm.

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    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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