write s.n on natural fibres
The fibres obtained from the living world are called natural fibres. These can be obtained from both plants and animals. Fibres such as cotton and jute are obtained from plants. Wool and silk are of animal origin. Wool is primarily obtained from sheep and goat. However, it can also be obtained from yak, camel, and rabbit. Silk is obtained from the cocoon of the silkworms that live only on mulberry trees.