The metrical unit by which a line of poetry is measured. A foot usually consists of one stressed and one or two unstressed syllables. An iambic foot, which consists of one ...
An alteration of genetic material such that a new variation is produced. For instance, a trait that has only one allele (A) can mutate to a new form (a). A mutation can be a ...
One of eleven major body organ systems in animals; coordinates and controls actions of internal organs and body systems, receives and processes sensory information from the ...
The process of differential survival and reproduction of Þtter genotypes; can be stabilizing, directional, or disruptive. Better adapted individuals are more likely to survive to ...
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