phototropism是什么意思

n.[植]趋光性,向光性

1、Phototropism is the growth or movement of an organism in response to light stimulus.
光变性是生物对光刺激的生长或运动反应。
2、Plants exhibit phototropism by bending toward a light source in order to maximize their exposure to sunlight.
植物通过向光源弯曲来展示光变性，以最大限度地吸收阳光。

光变性；植物对光的向性反应。