Question

fill in the blanks 1. Each cocoon may contain up to -------------of silk filament .​

Answer 1

Each cocoon may contain up to two of silk filament .

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The silk spinner larva produces two silk filaments by means of its two glands to form a cocoon around itself. The cocoon, formed to hide the animal for its metamorphosis, consists of two silk filaments, which represent the raw material for textiles and apparel.