fitness level
91evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …
92Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
93Natural selection — For other uses, see Natural Selection (disambiguation). Part of a series on Evolutionary Biology …
94Evolution — This article is about evolution in biology. For other uses, see Evolution (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to evolution. Part of a series on …
95heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… …
96Unit of selection — A unit of selection is a biological entity within the hierarchy of biological organisation (e.g. genes, cells, individuals, groups, species) that is subject to natural selection. For several decades there has been intense debate among… …
97Evolutionary psychology — (EP) attempts to explain mental and psychological traits such as memory, perception, or language as adaptations, that is, as the functional products of natural selection or sexual selection. Adaptationist thinking about physiological mechanisms,… …
98Sports in China — Although China has long been associated with the martial arts, sports in China today refers to a small variety of competitive sports played in China, including mainland China, Hong Kong and Macau. Traditional Chinese culture regards physical… …
99Group selection — In evolutionary biology, group selection refers to the idea that alleles can become fixed or spread in a population because of the benefits they bestow on groups, regardless of the alleles effect on the fitness of individuals within that group.… …
100United States Air Force — USAF redirects here. For other uses, see USAF (disambiguation). The U.S. Air Force redirects here. For the song, see The U.S. Air Force (song). United States Air Force …
