送交者: xh 于 2005-3-17, 16:10:42:
回答: 您这是“存活”的尺度，不是“更适应”的尺度 由 随便 于 2005-3-17, 15:38:52:
'fitness
Function: noun
: the capacity of an organism to survive and transmit its genotype to reproductively fertile offspring as compared to competing organisms; also : the contribution of an allele or genotype to the gene pool of subsequent generations as compared to that of other alleles or genotypes '
非洲的羚羊 is not competing with 猎豹, because they are not in the same niche. Instead, they are competing with other 非洲的羊 or things like that. The stratagies for surviving are different here. I see no point to argue who runs faster.