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Evolution gets busy in the urban lab 城市中的適者生存
« on: Apr 26th, 2006, 12:03am » |
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22/4/06 New Scientist 英國《新科學家》雜誌 科學家研究自然選擇的機制如何在城市的獨特環境中運作。 城市環境有時會讓動物更容易討生活,但是卻往往引牠們走進死胡同。例如:後園的餵鳥裝置令雀鳥因為食物豐富而提早繁殖,而且產下更多的蛋,但是由於提供的食物並不適合雛鳥,會令牠們發育不良... Evolution gets busy in the urban lab NewScientist.com news service Bob Holmes "Cities make an ideal laboratory for evolutionary biologists to watch adaptation happening before their eyes" "...urban great tits sing at a higher pitch than their country cousins so that their songs stand out better against the city noise,..."
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