十万个为什么·科学启蒙30篇（1）

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章鱼如何如此快速地改变颜色？

Octopuses have special skin cells called chromatophores filled with colorful pigments.
Each chromatophore has tiny muscles that expand or shrink the pigment spot instantly.
They also use iridophores and leucophores to reflect light and create shimmering effects.
Their eyes detect surrounding colors and patterns, then send signals to the skin.
Unlike chameleons, octopuses control color change consciously—not just by mood or temperature.
Some species match complex textures by raising skin bumps called papillae.
This camouflage helps them hide from predators and sneak up on prey silently.
A single octopus can shift its whole appearance in less than a second.
Even blind octopuses change color if their skin senses light directly.
Scientists study their skin to design new adaptive materials for robots and clothing.

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Octopuses have special skin cells called chromatophores filled with colorful pigments. 章鱼皮肤中有特殊的色素细胞——色素胞，内含多种彩色色素。
Some species match complex textures by raising skin bumps called papillae. 某些种类通过隆起皮肤上的乳突来模拟复杂纹理。
Even blind octopuses change color if their skin senses light directly. 即使失明的章鱼，只要皮肤直接感知到光，也能变色。

这篇中文题目最接近哪一句？章鱼如何如此快速地改变颜色？一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？章鱼皮肤中有特殊的色素细胞——色素胞，内含多种彩色色素。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） How Do Octopuses Change Color So Fast? How to cook noodles A maths worksheet

Octopuses have special skin cells called chromatophores filled with colorful pigments.

Octopuses have special skin cells called chromatophores filled with colorful pigments.

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用今天的表达，自己说一句。

例子：Octopuses have special skin cells called chromatophores filled with colorful pigments.