what are the process of formation of cocoon
Answers
Answer:
The silk used by humans comes from the domesticated silkworm, Bombyx mori. ... When a silkworm has eaten enough, it constructs a cocoon made out of silk fibers, and inside that cocoon it turns into a pupa. After many days, a fully formed adult silkworm moth emerges through a spit-soaked opening in the bottom of a cocoon.
Answer:
Silk is an expensive,smooth,and strong fabric. But it comes at the cost of a life , a life of a silkworm.
Sericulture is the cultivation of silkworm to produce silk.
Explanation:
The eggs of the silkworm are incubated till they hatch and become something called larva. It is just quarter of an inch long. Then it is placed on a fine Gauss layer and fed a huge amount of chopped mulberry leaves. During this time, it sheds it's skin 4 times. Silkworms who are fed mulberry leaves produce the finest of the finest silk. The larva will eat 50,000 times it's initial weight in plant material. It eats continuously for 6 weeks and grows to a maximum size of 3 inches. It changes its colour during this time.
It is now ready to spin a coccon. A single silk upto a kilometre of silk filament . It attaches itself to a or a