免费日韩片_欧美成人精品一区二区男人小说_国产乱码一区二区三区四区_国产精品国产三级国产aⅴ入口_成人看的污污超级黄网站免费_欧美一级在线免费观看_成人午夜免费无码福利片_国产乱人伦偷精品视频色欲_aaa少妇高潮大片免费看_国产精品1234_亚洲精品国产suv一区88_中文字字幕在线中文无码_精品亚洲区_午夜九九九_国产av国片精品jk制服丝袜_色综合亚洲_亚洲成av人片无码bt种子下载_欧美色就色_精品少妇的一区二区三区四区_男人用嘴添女人下身免费视频

變色龍為什么會變顏色？“為了能和周圍的環境一致以便保護自己。”相信很多人都會這么回答。可惜這個說法只對了那么一點點。真實的情況又如何呢？下面這篇文章可以給你一點啟示。

Chameleons are slow moving lizards that are well known for having the ability to change colors. Most people think chameleons change colors to match their environment but that's just something parents tell you because they don't know the truth.

There are lots of reasons for chameleons to change colors. They can't turn their color into polka-dot, bright orange or plaid, to fit into their surroundings. Light, temperature, mood and health are all reasons these lizards change colors. They reflect light and change their color accordingly. A chameleon will also make itself flat and dark so it can absorb more heat. During the mating process, when it feels threatened and when it's protecting its territory, a chameleon will also change colors. A sick chameleon will stay pale because they don't have the energy to change colors.

Most chameleons change between green, brown and gray - the colors of their surroundings. Each kind of chameleon has its own color range. Chameleons can change their color because of a very complex cell system. Beneath its transparent skin are several cell layers which containpigments. We also have pigments which cause our skin to darken in the sun. By opening and closing cells calledmelanophores, chameleons change their skin colors. The cells direct sunlight to specific pigments that reflect the light back in different colors.

pigment: 色素

melanophore: 黑色素細胞

（英語點津Annabel編輯）