lifestyle of a silkworm
Answers
Explanation:
- A female moth lays 300-500 tiny eggs and after around 10 days, the larvae (silkworms) hatch. - The silkworms feed solely on large amounts of leaves from the mulberry tree for around 30-40 days. - The silkworms shed their skin up to fourtimes, or molt, as they continue to eat and grow.
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Answer:
Introduction:-
A material which is composed of thin and continuous strands is known as fibre. Fibre can be of two types: natural fibre and synthetic fibre. The fibres which are obtained from plants and animals are known as natural fibres whereas synthetic fibres are man-made fibres. Examples of natural fibres are cotton and silk whereas examples of synthetic fibres are: nylon, polyester, etc. Silk is a type of natural fibre or animal fibre. Silkworm is responsible for spinning of silk and it is reared to obtain silk.
History of Silk:-
Silk was discovered around 3500 BC in China. For a long period of time, silk was shipped to other parts of the world through trade. Technological advancement and new developments have enabled manufacturers to produce different types of silk from different silkworms on the basis of lusture and texture. Mulberry silk is the most common silk moth that is used for producing silk. Rearing of the silkworm is known as sericulture .
The life cycle of silkworm:-
The life cycle of silk moth starts when a female silk moth lays eggs. The caterpillar or larvae are hatched from the eggs of the silk moth. The silkworms feed on mulberry leaves and give rise to pupa. In the pupa stage, a weave is netted around by the silkworm to hold itself. After that it swings its head, spinning a fibre made of a protein and becomes a silk fibre. Several caterpillars form a protective layer around pupa and this covering is known as the cocoon. The silk thread (yarn) is obtained from the silk moth’s cocoon.