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Natural Selection. Resistance to ... Natural selection has kept this resistance present
even in the most recent generations. Natural selection ...
selection. ... Natural selection is the differential survival and/or reproduction of
individuals within a population based on hereditary characteristics. ...
Natural and sexual selection. ... This may have resulted from sexual selection in regards
to both intelligence and physical appearance many years ago. ...
sex/gender selection. GENDER/SEX SELECTION For a long period of time now, people
have been interested in controlling the sex of their offspring. ...
Natural Selection. The process of evolution ... studied species. The most well known
mechanism is the theory of natural selection. This theory ...
Submitted by corbin on October 20, 2005
Category: Science
Words: 494 | Pages: 2
Views: 139
Popularity Rank: 79,830
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Selection is a process by which biological populations are altered over time, as a result of the propagation of heritable traits that affect the capacity of individual organisms to survive and reproduce. It is one of several mechanisms that give rise to the evolution of biological species.
Natural selection is the differential survival and/or reproduction of individuals within a population based on hereditary characteristics. Sexual selection is a type of selection that promotes traits that will increase an organism's success in mating and ensuring that its gametes are successful in fertilization. This is distinct from natural selection which acts simply on traits which influence fecundity and survival. Artificial selection is differential reproduction within a population that is correlated with the genotypes of individuals and the result of purposeful breeding choices by humans. This type of selection is the only type in which outside influences (such as humans) interfere with natural processes.
Evolution is the long-term process through which a population of organisms accumulates genetic changes that enable its members to successfully adapt to environmental conditions. Whereas selection is a process by which biological populations are altered over time, as a result of the propagation of heritable traits that affect the capacity of individual organisms to survive and reproduce. It is one of several mechanisms that give rise to the evolution of biological species. The mechanisms of evolution are mutation and natural selection. These two processes result in changes at the genetic (mutation) and physiological level (selection of function).
An example of natural selection is if some plants grow taller than others and so are better able to avoid shading by others, they will produce more offspring. However, if the reason they grow tall is because of the soil in which their seeds happened to land, and not because they...
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