| 释义 |
- 每个人：指一个群体中的每个人，强调个体的独立性和重要性。
- 1
According to the first of these theories, each individual has evolved, aided by natural selection, an adaptation to the rhythmic environment. 根据第一个理论，在自然选择的帮助下，每个个体经过进化都适应了这个有规律的环境。 - 2
According to the first of these theories, each individual have evolved, aided by natural selection, an adaptation to the rhythmic environment. 根据第一个理论，在自然选择的帮助下，每个个体都进化出了对有节奏环境的适应。 - 3
Because each individual is short-lived, the population of an opportunist species is likely to be adversely affected by drought, bad winters, or floods. 因为每个个体的生命都是短暂的，“机会主义者”这类物种的群体数量很可能受到干旱、严冬或者洪水等不利因素的影响。
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