نتایج جستجو برای: fitness
تعداد نتایج: 52716 فیلتر نتایج به سال:
The notion of Darwinian fitness allows us to understand how natural selection influences the evolution of organismal traits. For example, we might explain a plant’s morphology, or a bird’s behaviour in terms of the fitness advantages (reproductive or survival benefits) such morphology or behaviour confers. The notion of inclusive fitness is used specifically to understand how selection will act...
Aerobic exercise is a promising form of prevention for cognitive decline; however, little is known about the molecular mechanisms by which exercise and fitness impacts the human brain. Several studies have postulated that increased regional brain volume and function are associated with aerobic fitness because of increased vascularization rather than increased neural tissue per se. We tested thi...
We examined how obese children perceive a maximal cardiorespiratory fitness test compared with a submaximal cardiorespiratory fitness test. Twenty-one obese children (body mass index ≥95th percentile, ages 10-17 years) completed maximal and submaximal cardiorespiratory fitness tests on 2 separate occasions. Oxygen consumption (VO2) and overall perceived exertion (Borg 15-category scale) were me...
This paper introduces the concept of fitness cloud as an alternative way to visualize and analyze search spaces than given by the geographic notion of fitness landscape. It is argued that the fitness cloud concept overcomes several deficiencies of the landscape representation. Our analysis is based on the correlation between fitness of solutions and fitnesses of nearest solutions according to s...
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