Climatic data Sardinia, Cagliari: Average temperatures in CÂ°, location Cagliari: Januar - 9,9 CÂ° February - 10,2 CÂ° March - 11,6 CÂ° April - 13,8 CÂ° May - 17,3 CÂ° June - 21,3 CÂ° July - 24,2 CÂ° August - 24,3 CÂ° September - 21,8 CÂ° October - 18,2 CÂ° November - 13,6 CÂ° December - 16,4 CÂ° Annual average - 16,4 CÂ°.bsolute maximum temperatures in CÂ°, location Cagliari: Januar - 22,0 CÂ° February - 21,3 CÂ° March - 27,4 CÂ° April - 28,0 CÂ° May - 35,0 CÂ° June - 38,6 CÂ° July - 42,0 CÂ° August - 38,5 CÂ° September - 39,1 CÂ° October - 30,9 CÂ° November - 27,2 CÂ° December - 24,2 CÂ° Yearly maximum value - 42,0 CÂ°.
Though Darwin proposed natural selection as the primary evolutionary mechanism, he accepted other auxiliary mechanisms too. The most important of these was the transmission of acquired characteristics (those acquired by use-disuse) first proposed by Lamarck in the early 1800s..
British naturalist who proposed the theory of evolution based on natural selection (1858). Darwin's theory, that random variation of traits within an individual species can lead to the development of new species, revolutionized the study of biology.