Kinesis (English spelling)
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Orthokinesis is a type of movement in which the body axis is positioned regardless of the direction of the stimulus. It is the opposite of taxis. For example, hermit crabs increase their mobility in response to light, which increases their chances of entering dark areas. (→Orthokinesis) Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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無定位運動性ともいう。動物が刺激に対して行動する反応のうち，刺激の加えられた方向とは無関係に体軸がおかれるような運動。走性に対する。たとえば，ヤドカリが光を受けて運動性を高める結果，暗い部分に入る機会が増すなどがその例である。 (→オルトキネシス )
出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報 |
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