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Wool

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Wool

Posted by Reshmanth Sai 4 years, 4 months ago

CBSE > Class 04 > Science

1 answers

Gaurav Seth 4 years, 4 months ago

Wool

Wool comes from sheep, goat, yak and some other animals. These wool-yielding animals bear hair on their body because hair keeps these animals warm and wool is derived from these hairy fibres.
The hairy skin of the sheep has two types of fibres that form its fleece: (i) the coarse beard hair, and (ii) the fine soft under-hair close to the skin.
<font face="inherit"><font style="box-sizing: border-box;">Some breeds of sheep possess only fine under-hair. Their parents are specially chosen to give birth to sheep which have only soft </font></font>under hair<font face="inherit"><font style="box-sizing: border-box;">.This process of selecting parents for obtaining special characters in their offspring, such as soft under hair in sheep, is termed ‘selective breeding’. </font></font>

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