How long can *Triops* eggs survive in extreme dormancy via their alveolar layer?
Answer
Over 27 years
The survival mechanism of *Triops* is heavily reliant on the durability of their eggs, which contain a specialized structure called an alveolar layer. This layer permits the eggs to fully dehydrate and enter a state of extreme dormancy, allowing them to wait for favorable conditions. While survival for up to 20 years is cited, some estimates push this dormancy period even further, suggesting that these stress-resistant eggs can remain viable for over 27 years, ensuring the species' continuity across decades despite the extremely short lifespan of the active adult form.
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