HIKE
发表于 2025-3-23 12:54:53
,Studies of Müllerian Mimicry and its Evolution in Burnet Moths and Heliconid Butterflies,essors, all of them unpalatable species, by their mutual resemblance. This it does first by reducing the number of individuals of each species which predators kill before they learn to avoid them (because only one pattern needs to be learned) and second, one assumes, by what the experimental psychol
吊胃口
发表于 2025-3-23 13:56:38
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暂时休息
发表于 2025-3-23 21:21:43
An Analysis of Spot Placing in the Meadow Brown Butterfly ,n 1946 (Dowdeswell, Fisher & Ford 1949). The work was extended to other islands of the Stilly archipelago and to sites in mainland Britain from 1950 onwards (Dowdeswell & Ford 1953). From that year the area of interest in Britain has steadily widened; in addition collections of imagines from virtual
共同确定为确
发表于 2025-3-24 01:22:59
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推延
发表于 2025-3-24 06:12:23
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STELL
发表于 2025-3-24 10:18:38
The Molecular Basis of Thalassaemia,n genetics. The haemoglobinopathies remain a valuable tool for the study of gene action in Man but in the last few years the emphasis in this field has changed from population genetics to the study of abnormal haemoglobin synthesis at a molecular level. This trend is particularly noticeable in recen
acetylcholine
发表于 2025-3-24 11:58:33
Blood Group Interactions between Mother and Foetus,antages and disadvantages associated with them (such as susceptibility to certain diseases) which would maintain the genes in the population. It was however many years before practical work was begun on the subject and only when Aird, Bentall & Fraser Roberts (1953) had shown that a significantly hi
grieve
发表于 2025-3-24 16:03:41
Ecological Genetics and Biology Teaching,thus botany has been distinct from zoology intellectually and sometimes in geographical location as well. During recent years welcome changes have been initiated in the direction of a more interdisciplinary approach, beginning in the schools under the influence of the Nuffield Projects and spreading
联邦
发表于 2025-3-24 21:29:30
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FILLY
发表于 2025-3-25 01:05:12
Recessive Melanism in the Moth , L. in Industrial and Non-Industrial Areas,everal unusual features. First, melanic polymorphisms were maintained among imagines in several populations which appeared to be isolated from one another. They exist both in regions influenced by industrial pollution and in others which are essentially unpolluted.