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Toys and games

1) Devices that are used exclusively for recreation and play. Toys are most often used with children and pets and as a medium of education and development. Toys are not always obvious in their nature. A simple bottle can be considered a toy if an individual uses it for recreational use. 2) Games are structural activities used for physical or psychological education. In most cases, games are recreation. However, games can also be considered work. For example, a professional soccer game is a career to the participants.

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時有時無

Archaeology; Evolution

在哪一個男性伴侶與幾個女性的生殖策略。獅子、 孔雀和大猩猩有 polygynous 的交配系統。與一妻多夫和一夫一妻制的比較。

RNA

Archaeology; Evolution

核糖核酸。信使 RNA、 核糖體 RNA 和轉移 RNA 是其三種主要形式。作為仲介人的 DNA 的遺傳性的代碼轉換為蛋白質的這些行為。某些的病毒 RNA 本身就是遺傳性的分子。 ...

地理隔離

Archaeology; Evolution

請參閱生殖隔離。

定向選擇

Archaeology; Evolution

選擇一致的方向性變化導致人口通過時間 (例如,更大的身體大小選擇) 的形式。

中斷的選擇

Archaeology; Evolution

選擇偏袒任一方向從人口平均偏離的形式。是大於或小於平均水準,但反對兩個極端之間的平均形式作品的選擇人情形式。

基因重複

Archaeology; Evolution

請參閱重複。

卷積

Legal services; DNA forensics

卷積是突然可以自然發生,從疾病,或機械力的結果的頭髮軸的旋轉。

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