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Evolutionary biology. Fitness (often denoted or ω in population genetics models) is a quantitative representation of individual reproductive success. It is also equal to the average contribution to the gene pool of the next generation, made by the same individuals of the specified genotype or phenotype. Fitness can be defined either with ...
Survival of the fittest. Herbert Spencer coined the phrase "survival of the fittest". " Survival of the fittest " [ 1] is a phrase that originated from Darwinian evolutionary theory as a way of describing the mechanism of natural selection. The biological concept of fitness is defined as reproductive success.
Evolution is a light which illuminates all facts, a curve that all lines must follow. (p. 219 of The Phenomenon of Man) The phrase "nothing in biology makes sense except in the light of evolution" has come into common use by those opposing creationism or its variant called intelligent design. [ 5][ 8] While the essay argues (following de ...
Eat fermented foods. Dr. Rao recommends adding fermented foods such as kimchi, miso and kombucha to your diet. Some studies have shown that the p robiotic benefits of these foods can help with ...
But taking supplements isn't always safe, experts say. Vitamin K2 is lauded for a number of important health benefits, including boosting your bones, teeth and cardiovascular system. A new study ...
Quizlet is a multi-national American company that provides tools for studying and learning. [ 1] Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [ 2] and released to the public in January 2007. [ 3] Quizlet's primary products include digital flash cards, matching games, practice electronic ...
Sen. Cory Booker (D-N.J.) said former President Trump’s comments on Wednesday questioning Vice President Harris’s heritage as a Black woman represent an effort to “deflect” from key issues ...
t. e. In biology, homeostasis ( British also homoeostasis; / hɒmioʊˈsteɪsɪs, - miə -/) is the state of steady internal physical and chemical conditions maintained by living systems. [ 1] This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance, being kept within ...