Thursday 12th January 2023
Difficulty: Hard
Spiders (Quiz #55)
Photo by Erik Karits (Unsplash)
Spiders are eight-legged arthropods, often with fangs to inject venom, and spinnerets that extrude silk to build webs.
1. How much stronger than steel (weight for weight) is spider silk?
2. Which of these is the biggest type of spider, with a body length of up to 13cm and a leg span of up to 30cm across?
3. It's hard to estimate how many spiders there are in your home. But (according to BBC Wildlife) how many spiders were found in a study of a single hectare of grassland?
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