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1  Animal fibers generally comprise proteins; ex ;- include silk  and wool..
Fiber  taken from animals e.g. sheep's wool, goat hair ...
2 The shearer begins by removing the belly wool, which is separated from the main fleece by a roustabout, while the sheep is still being shorn.the entire fleece has been removed from the sheep and he fleece is thrown..

3 Selective breeding also called artificial selection  means  the  intentional breeding of organisms with desirable trait in an attempt to produce offspring with similar desirable characteristics..............

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thanku gracy
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