Amoeba - Wikipedia
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
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 tiny blob of colorless jelly with a dark speck inside it.
What is an amoeba? - Live Science
2022年2月26日 · Amoebas are eukaryotes. Their single cells, like those of other eukaryotes, possess certain characteristic features: Their cellular contents are enclosed within a cell membrane,...
Amoeba - Definition, Movement & Reproduction - Biology …
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.
Amoeba - Definition and Examples - Biology Online Dictionary
2023年9月26日 · Amoeba is a term used to refer to those that display amoeboid (amoeba-like) characteristics. Read more about amoeba and test yourself with the Amoeba Biology Quiz!
Amoeba - Definition, Structure, Functions, Classification
2024年9月19日 · Amoebas are fascinating single-celled organisms that thrive in diverse environments. They belong to the kingdom Protista and exhibit remarkable adaptability. These microscopic entities move and feed using pseudopodia, which are temporary projections of their cytoplasm. Amoebas play crucial roles in ecosystems as both predators and prey.
amoeba - Kids | Britannica Kids | Homework Help
An amoeba is a one-celled creature that is among the simplest of all living organisms. Most amoebas are so small that they can only be seen though a microscope. There they look like tiny blobs of colorless jelly. Amoebas are found in fresh and salt water. They also live in the moist body parts of other animals and in moist soil.
Amoeba | Protista, Unicellular & Flagellates | Britannica
2024年11月8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
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 …
Amoeba Cell - Labeled Structure, Characteristics, Movement, …
2024年4月8日 · Amoeba is a unicellular eukaryotic organism which can alter their shape by extending and retracting pseudopods. The term Amoeba came from the Greek word amoibe , means change. They do not contain any cell wall instead they contain a thin delicate outer membrane known as the plasmalemma.