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原文連結
論文資訊
- 類型：已發表論文
- 日期：2015-06-10
摘要
Studies of body size 演化, and life-history theory in general, are conducted without taking into account 癌症 as a factor that can end an organism's reproductive lifespan. This reflects a tacit assumption that predation, parasitism and starvation are of overriding importance in the wild. We argue here that even if deaths directly attributable to 癌症 are a rarity in studies of natural 族群s, it remains incorrect to infer that 癌症 has not been of importance in shaping observed life histories. We present first steps towards a 癌症-aware life-history theory, by quantifying the decrease in the length of the expected reproductively active lifespan that follows from an attempt to grow larger than conspecific competitors. If all else is equal, a larger organism is more likely to develop 癌症, but, importantly
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