Q:

How do amoebas move?

A:

Quick Answer

As explained by the University of Massachusetts Amherst, amoebas move by extending projections of their body. Once one of these projections, which are called pseudopods, is extended, it remains stationary, and the cytoplasm from the rest of the amoeba’s body moves into the pseudopod. The term "pseudopod" means “false foot.”

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Researchers at the University of Massachusetts Amherst, found that the locomotion of amoebas is related to the temperature of their environment. When the researchers subjected a sample of amoebas tocold water, they found that the single-celled organisms moved much more slowly and eventually stopped moving altogether.

Scientists at Virginia Tech are trying to construct robots that use locomotion styled after the ways amoebas move. Such flexible, shape-shifting designs are ideally suited for search and rescue missions, in which a robot may be forced to squeeze through tiny openings. Alternatively, these robots may be helpful for developing surgical robots that travel inside the human body.

According to WebMD, some amoebas are responsible for causing illness in humans. One such species, known to scientists as Naegleria fowleri, can cause serious problems as the organism feeds on brain tissue once inside the human body. Normally, the amoebas consume bacteria in their natural habitat.

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Related Questions

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    How does a fungus-like protist obtain food?

    A:

    A fungus-like protist obtains food by crawling over it and enveloping it, taking food particles into itself in a manner similar to how amoebas eat. These protists often consume decaying plant matter on damp forest floors, but other species are plant or animal parasites in different environments.

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    What do euglena eat?

    A:

    Euglena eat green algae, amoebas, parameciums and rotifer. Euglena are single cell organisms so their food sources are small, microscopic organisms along with the energy they can create through photosynthesis. Their green color comes from the green algae they eat and the chloroplasts which play a part in photosynthesis, but some types can be red as well.

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    How do paramecium move?

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    Paramecium have tiny hair-like structures, called cilia, around the outer edge of their cell that move back and forth in a whip-like fashion, allowing movement in water. Paramecium normally attach to the bottom of a body of water, such as a pond, stream or puddle.

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    How do single-celled organisms move?

    A:

    Different types of unicellular organisms that belong to the kingdom Protista move through structures that include flagella, cilia and pseudopodia. To move around, a protist, such as a paramecium, has hair-like structures called cilia, while an amoeba has pseudopodia, which are feet-like appendages that extend from its cytoplasm. Flagella are whip-like structures used by a flagellate like euglena for locomotion.

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