開主選單
一大群飛蛾聚喺一盞燈周圍。飛蛾具有正趨光性。

趨光性粵拼ceoi1 gwong1 sing3英文phototaxis)係指一種生物興靠近或者遠離嘅傾向,可以分做正趨光性(傾向接近光源)同負趨光性(傾向遠離光源)兩種[1]。對於好多生物嚟講,趨光性對佢哋生存好重要,例如係植物噉,正趨光性幫佢哋吸收更多嘅陽光,靠光合作用生產更多嘅營養[2]

睇埋

  1. Martin, Or Phototatic movement is an autonomic movement in response to the stimulus of lightE.A., ed. (1983), Macmillan Dictionary of Life Sciences (2nd ed.), London: Macmillan Press, p. 362.
  2. Menzel, Randolf (1979), "Spectral Sensitivity and Color Vision in Invertebrates", in H. Autrum (ed.), Comparative Physiology and Evolution of Vision in Invertebrates- A: Invertebrate Photoreceptors, Handbook of Sensory Physiology, VII/6A, New York: Springer-Verlag, pp. 503–580. See section D: Wavelength–Specific Behavior and Color Vision.