Amoeba - Wikipedia
网页An amoeba (/ ə ˈ m iː b ə /; less commonly spelled ameba or amœba; pl.: amoebas (less commonly, amebas) or amoebae (amebae) / ə ˈ m iː b i /), [1] often called an amoeboid, is a type of cell or unicellular organism with the ability to alter its shape, primarily by extending and retracting pseudopods. [2]
Amoeba: Definition, Structure, & Characteristics with Diagram
网页2020年10月29日 · Amoeba is an aquatic, single-cell (unicellular) organism with membrane-bound (eukaryotic) organelles that has no definite shape. It is capable of movement. When seen under a microscope, the cell looks like a …
Amoeba - Definition, Movement & Reproduction - Biology …
网页2019年10月4日 · An amoeba is a highly motile eukaryotic, unicellular organism. Typically belonging to the kingdom protozoa, it moves in an “amoeboid” fashion. As such, microbiologists often use the term “amoeboid”, to refer to a specific type of movement and amoebae interchangeably.
What is an amoeba? - Live Science
网页2022年2月26日 · "Amoeba" is a term that describes a simple eukaryotic organism that moves in a characteristic crawling fashion. However, a comparison of the genetic content of the various amoebas shows that...
Amoeba | Protista, Unicellular & Flagellates | Britannica
网页2024年8月16日 · Amoeba, any of the microscopic unicellular protozoans of the rhizopodan order Amoebida. The well-known type species, Amoeba proteus, is found on decaying bottom vegetation of freshwater streams and ponds. There are numerous parasitic amoebas. Of six species found in the human alimentary tract,
Amoeba Anatomy, Digestion, and Reproduction - ThoughtCo
网页2018年9月24日 · An amoeba is an aquatic, single-celled protist characterized by a gelatinous body, amorphous shape, and amoeboid movement. Amoebas can form temporary extensions of their cytoplasm known as pseudopodia or "false feet" which can be used for locomotion or capturing food.
Amoeba - Definition and Examples - Biology Online Dictionary
网页2023年9月26日 · This genus is comprised of single-celled protists. They are free-living and feed on bacteria, other protists, or detritus. They are characterized by their protoplasmic movement and cytoplasmic projections called pseudopodia (false feet). One of the best-known examples is the giant amoeba, Amoeba proteus.
Amoeba - Structure and Classification of Amoeba - BYJU'S
网页What is Amoeba? Amoeba is a unicellular organism that has the ability to change its shape. They are usually found in water bodies such as ponds, lakes and slow-moving rivers. Sometimes, these unicellular organisms can also make their way inside the human body and cause various illnesses.
What is an Amoeba? - Wonderopolis
网页Organisms that move using false feet (or pseudopods) are called amoebas. Experts say false feet are the most primitive form of movement. How do they work? When an amoeba wants to move, it forms a cytoplasmic extension. That extension then reaches out and pulls the amoeba forward.
Amoeba - Encyclopedia.com
网页2018年5月29日 · An amoeba (pronounced uh-MEE-buh) is any of several tiny, one-celled protozoa in the phylum (or primary division of the animal kingdom) Sarcodina. Amoebas live in freshwater and salt water, in soil, and as parasites in moist body parts of animals.