electrolyte
发表于 2025-3-23 10:15:16
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Recess
发表于 2025-3-23 17:40:48
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刺耳
发表于 2025-3-23 20:39:40
https://doi.org/10.1007/978-3-322-87571-6e nucleus (see p. 00) in which there are particles called chromatin grains.. When the cell is about to divide, its chromatin grains form rod-like structures we know as chromosomes. DNA (deoxyribonucleic acid) is a major constituent of chromosomes. Cells also contain RNA (ribonucleic acid).
Dappled
发表于 2025-3-23 23:07:31
Primitive Beliefs, Classical Theories, Early Practices,ave been credited with thoughts, feelings and desires analogous to those of human beings. Such a general belief would probably not have been explicitly formulated and certainly not explicitly justified, but it would have been the basis of explanations of many natural events, such as changes in the w
色情
发表于 2025-3-24 05:25:46
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有帮助
发表于 2025-3-24 06:55:37
The Appeal to Physical Explanations,’. In the seventeenth century magic and mysticism played a decreasing role, but the interest in direct observation increased. This was accompanied by a new focus for inquiry in that mechanistic descriptions of the vital activities of living organisms and mechanistic explanations of their functions w
胆大
发表于 2025-3-24 11:11:36
,Interactions — Fact and Theory,e importance of observation and experiment. At the same time new instruments were invented, which not only helped observation but revealed new and previously unknown entities. In relation to biology microscopes led to many discoveries of previously unknown and unimagined organisms, and thus to new f
Connotation
发表于 2025-3-24 16:33:11
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反应
发表于 2025-3-24 22:38:31
Idealism and Materialism,echanistic explanations which had come to be associated with the French . of the Enlightenment. As we have seen, Lamarck thought of himself as a mechanist and though we may find the appellation inappropriate it was certainly appropriate when applied to many of his contemporaries, and especially to H
刺耳
发表于 2025-3-24 23:51:05
Natural Selection and Progress,y external circumstances; this has been called the developmental view of nature.. As we have seen, Lamarck thought there was an innate tendency to greater complexity and improvement, whereas Buffon held that there was more likelihood of deterioration so that any changes would be for the worse (see p