What Is This?

A quiz for you. Here are photos of half a dozen natural objects seen in extreme close-up. All of them are (or were) part of living things-- like, for example, a wombat's toenail. How many can you figure out?

Photography by Nik Nimbus. 

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 6.


Answers tomorrow. Hint: "wombat's toenail" is not actually one of the correct answers.