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What is the function and origin of silk and spinnerets in spiders?RT用英语回答问题。
题目内容：
What is the function and origin of silk and spinnerets in spiders?
RT
用英语回答问题。优质解答
What is the function and origin of silk glands and spinnerets in spiders?The development of spinnerets and silk represents a major evolutionary shift that has defined the biological and ecological uni...
What is the function and origin of silk and spinnerets in spiders?
RT
用英语回答问题。
RT
用英语回答问题。
优质解答
What is the function and origin of silk glands and spinnerets in spiders?The development of spinnerets and silk represents a major evolutionary shift that has defined the biological and ecological uni...
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