Friday, March 16, 2007

Salvem as Rainforests?

"More species develop in warm, tropical climates or cooler, temperate areas? It turns out the longtime answer — the tropics — may be wrong. True, more different types of animals exist there than in places farther from the equator. New research suggests that is because tropical species do not die out as readily. Cooler regions have a higher turnover rate, with more species developing but also more becoming extinct". Leia o resto aqui.

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