IN NATURE of October 17, there appears a letter by my friend Prof. Hale Carpenter entitled " Insect Coloration and Natural Selection", written in answer to one of mine on natural selection published in these columns a few weeks previously. I maintained that " natural selection" was an " ...
Nature grants long periods of time for the work ofnatural selection. 自然界允许极长的时期,给自然选择来进行它的工作. 辞典例句 Natural SelectionProtected Some Asian Populations From Alcoholism, Study Suggests. Science Daily. Alcohol Reports.
IN NATURE of June 8 there appears a letter from my friend Prof. Poulton in which he replies to my statement that ‘natural selection’ affords no explanation of evolution. He quotesin extensoa letter from Darwin to the distinguished American botanist Asa Gray, in which Darwin endeavours to dea...
all his productions.He often begins his selection by some half-monstrous form; or at least by some modification prominent enough to catch his eye, or to be plainly useful to him.Under nature, the slightest difference of structure or constitution may well turn the nicely-balanced scale in the...
Martin TE - 《Nature》 被引量: 418发表: 1996年 Adaptation to Different Human Populations by HIV-1 Revealed by Codon-Based Analyses differentially in two populations, although such comparisons between populations have been historically useful in identifying the action of natural selection. We... SL...
IN NATURE of June 8 there appears a letter from my friend Prof. Poulton in which he replies to my statement that ‘natural selection’ affords no explanation of evolution. He quotes in extenso a letter from Darwin to the distinguished American botanist Asa Gray, in which Darwin endeavours to...
Natural selectionofflower petals. aster.com.hk aster.com.hk 精選的天然花朵花瓣,無疑的強化每一種香氛,甚至帶出更精緻的美。 aster.com.hk aster.com.hk This is about sovereignty and the survival of our continent in a world governed by
Natural selection is a mechanism for generating an exceedingly high degree of improbability. 自然选择就是能生成极不可能之事的机制。 ——Ronald Fisher(费舍) 从生物学里找计算的模型,一直是人工智能的研究方向之一,学术上大致有两条传承的脉络:一条源自麦卡洛克和皮茨的神经网络,演化到今天成了深度学习;另一...
Digit loss in archosaur evolution and the interplay between selection and constraints Evolution involves interplay between natural selection and developmental constraints(1-3). This is seen, for example, when digits are lost from the limbs d... MAGD Bakker,DA Fowler,KD Oude,... - 《Nature》 被...