Since the publication of "The Selfish Gene," most biologists agree that Dawkins' ideas explain a great deal about natural selection, but they don't answer everything. One of the main sticking points is altruism. Why do people (and many animal species) do good things for others, even when...
Evolution takes an incredibly long time to occur; in the range of thousands to billions of years. Natural selection is the mechanism and driving force through which evolution occurs. Answer and Explanation:1 Natural selection is the process through which traits that he...
Answer to: Aside from natural selection, there are three other processes that can lead to evolution occurring in a population. What are they and...
(Biology) a person who believes in a theory of evolution, esp Darwin's theory of the evolution of plant and animal species adj (Biology) of or relating to a theory of evolution ˌevoˈlutionˌismn ˌevolutionˈisticadj Collins English Dictionary – Complete and Unabridged, 12th Edition...
Biology.change in the gene pool of a population from generation to generation by such processes as mutation, natural selection, and genetic drift. a process of gradual, peaceful, progressive change or development, as in social or economic structure or institutions. ...
These studies would potentially revolutionize our understanding of evolutionary processes, providing a richer view of how the differences in phenotype that drive natural selection arise and are maintained. The next 5–10 years will see a bumper crop of these experiments across multiple systems and I...
reveals in detail how natural selection works and led to thedevelopmentof the modern theory of evolution. Beginning in the 1960s, a related scientificdiscipline,molecular biology, enormously advanced knowledge of biological evolution and made it possible to investigate detailed problems that had seemed ...
In evolutionary theory, natural selection1describes why some things exist and others do not2. Darwin’s theory of evolution and its modern synthesis point out how selection among variants in the past generates current functionality3, as well as a forward-looking process4. Neither addresses the spa...
and negative effects of fighting on fitness have been correctly identified. This is not to suggest that animals make rational calculations about theconsequencesof their behaviour. Rather, it is assumed thatnatural selection, acting over thousands of generations, has resulted in the evolution of ...
Key Points The origin and maintenance of sexual reproduction is one of the oldest and most intriguing problems in evolutionary biology. Most models assume that the advantage of sex relies on the increased production of genetic variation, which can be used by natural selection. For this to occur,...