Flying Spiders (Part 1 of 2)
Spider silk is a silent witness to the incredible ingenuity of the Creator. This is the Creation Moments Minute.
Spider silk begins as a liquid protein made by silk glands on the spider’s abdomen. Spiders make many kinds of silk for different uses. As the liquid silk is forced through the spider’s spinnerets, it begins to dry. The spinnerets pull and stretch the silk, creating just the right kind of silk for the spider’s use. Though the result seems thin and weak to us, ounce for ounce, spider silk is stronger than steel.
Web-building spiders make two types of silk for their traps. The basic structure of the web is made of strong, non-sticky silk. Then the spider adds a sticky, elastic silk to trap its prey. Some webs are irregular, others are flat and sheet-like, while still others are shaped like funnels.
Tomorrow we look at the more unusual ways spiders use their silk.
For Creation Moments Minute, I’m Darren Marlar.
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Notes: Pinkston, William S., Jr. 1980. BIOLOGY for Christian Schools. Greenville, SC: Bob Jones University Press. p. 413.