的是兄弟 发表于 2025-3-25 07:13:58
https://doi.org/10.1007/978-3-658-22432-5efore be limited to a selection of topics: and in choosing these the first consideration must be the object of this Symposium, which is to highlight those problems that are of mutual interest to biologists and social scientists of all kinds.独白 发表于 2025-3-25 10:47:36
http://reply.papertrans.cn/19/1874/187306/187306_22.pngirreducible 发表于 2025-3-25 12:04:08
http://reply.papertrans.cn/19/1874/187306/187306_23.pngDEMN 发表于 2025-3-25 16:59:41
https://doi.org/10.1007/978-3-662-25508-7 in sifting the able from the less able, so the possibilities of social movement for an individual become concentrated in the school years and limited after that. Owing to this there has been a progressive transfer of social competition “from the economic to the educational world and from the office争议的苹果 发表于 2025-3-25 21:53:17
https://doi.org/10.1007/978-3-662-25508-7ossible effects on movement between one class and another. The three papers given at this session, while each throwing light on individual aspects of the problem, together emphasize the difficulty of formulating any general conclusions.CHASM 发表于 2025-3-26 01:41:40
https://doi.org/10.1007/978-3-662-25508-7 techniques enables weaklings to survive and thereby endangers the genetical structure which the human race has achieved by natural selection. Potentialities for physique and intelligence are consequently expected to decline. Must we, therefore, for the good of the race, abandon the physician’s prim生气的边缘 发表于 2025-3-26 04:47:50
Die Kinderpflege im allgemeinen, indeed the organization of our society could not continue as we know it were this not the case. Nor are the differences among us merely superficial: they extend to every aspect of our being, anatomical, physiological and mental. Some of them reflect the differential action of external agencies, and神经 发表于 2025-3-26 09:15:12
https://doi.org/10.1007/978-3-642-47552-825 per cent of women with primary amenorrhoea,. 11 per cent of high-grade male subfertility . and about 6 per cent of the institutionalized mentally defective have chromosomal abnormalities. These figures refer, of course, to chromosome aberrations readily detected under the oil immersion lens of anAllergic 发表于 2025-3-26 13:56:09
http://reply.papertrans.cn/19/1874/187306/187306_29.png植物学 发表于 2025-3-26 17:38:15
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