THERE are two kinds of chameleons, and they change colour in different ways.
Chamaeleontidae have many colourations, which they change by concentrating or spreading out the pigmentation in skin cells.
The autonomic nervous system controls the process. The colour change is not about matching the colour, but a response to many things such as light, temperature and even "emotional" issues such as fear or triumph.
The African species, Chanuteleo dilepis, turns green when among leaves and yellow or reddish-brown when on bark.
bigsiteofamazingfacts.com; answers.yahoo.com; nationalgeographic.com
Two kinds of chameleons
THERE are two kinds of chameleons, and they change colour in different ways.
Chamaeleontidae have many colourations, which they change by concentrating or spreading out the pigmentation in skin cells.
The autonomic nervous system controls the process. The colour change is not about matching the colour, but a response to many things such as light, temperature and even "emotional" issues such as fear or triumph.
The African species, Chanuteleo dilepis, turns green when among leaves and yellow or reddish-brown when on bark.
bigsiteofamazingfacts.com; answers.yahoo.com; nationalgeographic.com
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