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A tree of life, like this one from Charles Darwin's notebooks c. July 1837, implies a single common ancestor at its root (labelled "1"). A phylogenetic tree directly portrays the idea of evolution by descent from a single ancestor. [3] An early tree of life was sketched by Jean-Baptiste Lamarck in his Philosophie zoologique in 1809.
Clockwise from top right: Amoeba proteus, Actinophrys sol, Acanthamoeba sp., Nuclearia thermophila., Euglypha acanthophora, neutrophil ingesting bacteria. 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 ...
Life functions through the specialized chemistry of carbon and water, and builds largely upon four key families of chemicals: lipids for cell membranes, carbohydrates such as sugars, amino acids for protein metabolism, and nucleic acid DNA and RNA for the mechanisms of heredity. Any successful theory of abiogenesis must explain the origins and ...
An amoeba of the genus Mayorella (Amoebozoa, Discosea). Amoebozoa is a large and diverse group, but certain features are common to many of its members. The amoebozoan cell is typically divided into a granular central mass, called endoplasm, and a clear outer layer, called ectoplasm.
Amoeba is a genus of single-celled amoeboids in the family Amoebidae. [2] The type species of the genus is Amoeba proteus , a common freshwater organism, widely studied in classrooms and laboratories.
The Amoeba Boys (voiced by Chuck McCann in the series and What a Cartoon!, Lou Romano in Whoopass Stew) are a trio of mutant amoebas who aspire to be respected villains, but are unintelligent and incompetent. Though largely harmless, their actions have caused danger. Bossman: The Amoeba Boys' leader. In the pilot, he is depicted with a cigar in ...
Each story has its feet firmly planted in the real world, but serves as an epicenter for swirling fantasies. In one story, "The Lizzie Borden Jazz Babies," Sparks makes use of a tragic plot point that sets off many classic fairy tales – the untimely death of a protagonist's parent – and applies it to the father instead of the mother.
However, one and the same physical object can be a proper part of two or more distinct objects (e.g., a road intersection is part of two distinct roads), which leads to four-dimensionalism, whereby, for example, an amoeba at a time (amoeba stage) is a temporal part of an amoeba extended in time, i.e., objects have temporal parts.