The diagrams below show the lifecycle of the silkworm and the process for producing silk cloth. Summarise the information in the charts and make comparisons where appropriate.

The two flowcharts give us

the

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information regarding the stages in the life of a

silkworm

and the process by which silk

cloth

is produced. The first diagram follows the lifecycle of the

silkworm

from its egg stage to its adult breeding stage, lasting for the duration of 59-72

days

. The second diagram introduces the processing of the

silkworm

cocoons into the final product of silk

cloth

. The lifetime of a

silkworm

begins as an egg lay on a mulberry leaf. In 8-10

days

, the egg hatches and the larva begins to feed on the mulberry leaves surrounding it. After 30-40

days

of feeding, the larva starts to spin a thread around itself, which forms the cocoon.

This

process takes 4-7

days

to complete. After 15

days

of evolving within the cocoon, the mature moth breaks out and starts to breed with others of its species. The process of silk

cloth

production begins by selecting cocoons spun by the larva. These selected cocoons are

then

boiled and unwound. The individual threads can measure anywhere between 250 to 900m.

Further

twisting and weaving of

this

thread

then

takes place to form the

cloth

which is dyed to obtain the final product.