作者: 憤慨一下 時(shí)間: 2025-3-22 00:16
Physiological and Ecological Life-Tables and Connected Problems,duration which a healthy individual may expect to live under optimal environmental conditions until dying by senescence. Such an individual, having exhausted its inborn vital potentialities, dies because death is the end of every organized life.作者: Demonstrate 時(shí)間: 2025-3-22 00:38 作者: Infirm 時(shí)間: 2025-3-22 07:30
Approach to an Analysis of Some Animal Populations,ns of an experimental study of animal populations and their analysis by breedings of .. If one pair or a small population of . is introduced into milk bottles which are filled to a certain height with a standard larval food to which yeast is added, the following facts are always observed: The growth作者: 松雞 時(shí)間: 2025-3-22 09:49 作者: 織布機(jī) 時(shí)間: 2025-3-22 14:56 作者: 結(jié)束 時(shí)間: 2025-3-22 18:07 作者: 丑惡 時(shí)間: 2025-3-23 00:07
https://doi.org/10.1007/BFb0097497e not subject to both major forces, those of heredity and those of environment. Both forces work on the organism, which in turn responds to both by action and reaction, and in this way its many potentialities are realized.作者: irradicable 時(shí)間: 2025-3-23 03:25
https://doi.org/10.1007/BFb0080189 opportunity to study the growth of animal populations, be it that of Protozoa in the test-tube or that of fish in ponds or that of human populations. If environmental conditions are constant and the experiments are performed with a genetically uniform stock, the course of the curve is very uniform in parallel breedings.作者: 搜尋 時(shí)間: 2025-3-23 05:38 作者: 放逐 時(shí)間: 2025-3-23 09:53
Measure-valued Markov processes,nt evidence; and still others he had barely studied so that he gave in these cases unbased theories. This is a good and sincere statement which should serve to introduce all treatises on the theory of animal populations.作者: 卡死偷電 時(shí)間: 2025-3-23 17:31
https://doi.org/10.1007/BFb0059706 longer restricted to the description of stages and of parasites and predators. The abundance of recent methodological achievements is large. Only a few of the more important implications will here be discussed.作者: dissolution 時(shí)間: 2025-3-23 20:10 作者: 混合,攙雜 時(shí)間: 2025-3-24 01:20 作者: 孤僻 時(shí)間: 2025-3-24 05:00 作者: 大火 時(shí)間: 2025-3-24 09:19 作者: CHURL 時(shí)間: 2025-3-24 13:44 作者: hair-bulb 時(shí)間: 2025-3-24 16:17 作者: 和平主義 時(shí)間: 2025-3-24 21:52 作者: Galactogogue 時(shí)間: 2025-3-25 01:02 作者: Orchiectomy 時(shí)間: 2025-3-25 06:29 作者: 宣傳 時(shí)間: 2025-3-25 09:16
0077-0639 Overview: 978-94-017-5845-1978-94-017-6310-3Series ISSN 0077-0639 Series E-ISSN 2215-1729 作者: 小母馬 時(shí)間: 2025-3-25 11:51
Processus a Accroissements Independants,duration which a healthy individual may expect to live under optimal environmental conditions until dying by senescence. Such an individual, having exhausted its inborn vital potentialities, dies because death is the end of every organized life.作者: conifer 時(shí)間: 2025-3-25 16:30 作者: Bouquet 時(shí)間: 2025-3-25 22:11
https://doi.org/10.1007/BFb0097497Human Ecology deals specifically with a number of minor problems, besides throwing light on several grave and fateful issues which will decide the future of the human race.作者: kidney 時(shí)間: 2025-3-26 02:45
Why Human Ecology?,Human Ecology deals specifically with a number of minor problems, besides throwing light on several grave and fateful issues which will decide the future of the human race.作者: Mercantile 時(shí)間: 2025-3-26 06:24 作者: Neutropenia 時(shí)間: 2025-3-26 09:04 作者: 現(xiàn)暈光 時(shí)間: 2025-3-26 15:18
https://doi.org/10.1007/BFb0059706 statement is no doubt true. The question, however, as to what should be understood by life-history has recently undergone many changes. It is not any longer restricted to the description of stages and of parasites and predators. The abundance of recent methodological achievements is large. Only a f作者: 考古學(xué) 時(shí)間: 2025-3-26 17:53 作者: Negligible 時(shí)間: 2025-3-26 21:56
Processus stochastiques de population,organism also belong to the biotic factors, we shall here discuss principally the influence of enemies upon their host or prey, which — just as temperature amongst the abiotic factors — has best been studied.作者: 歌曲 時(shí)間: 2025-3-27 04:52
Processus stochastiques de population,ous definitions, misunderstandings concerning the same term, or translation of philosophical concepts into nature, where they have no place. Hence we find that the intensity and the dogmatism of earlier and present controversies are usually in reverse proportion to the actual amount of adequate know作者: Condyle 時(shí)間: 2025-3-27 09:05
https://doi.org/10.1007/BFb0097497tude..” This clear expression of an American student characterizes the polar relations between the two branches of biology, genetics and ecology. Whereas no anterior, northern, etc. pole is imaginable without the presence of its counterpart, a posterior, southern, etc. pole, no organism is imaginabl作者: 無能的人 時(shí)間: 2025-3-27 11:39 作者: Prognosis 時(shí)間: 2025-3-27 16:45
978-94-017-5845-1Springer Science+Business Media Dordrecht 1958作者: ADORE 時(shí)間: 2025-3-27 20:52 作者: mercenary 時(shí)間: 2025-3-28 00:40 作者: Lethargic 時(shí)間: 2025-3-28 05:27
Guy Avni,Orna Kupfermannce, combined with the churn in professional advice has a potentially disorienting effect. The unique rewards derived from the spontaneity of family relationships risk being diminished by the imposition of external imperatives on the parent–child relationship.作者: 使服水土 時(shí)間: 2025-3-28 07:18 作者: 刺穿 時(shí)間: 2025-3-28 11:41 作者: 進(jìn)取心 時(shí)間: 2025-3-28 15:15 作者: restrain 時(shí)間: 2025-3-28 20:37 作者: irritation 時(shí)間: 2025-3-29 00:33