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Why is holometabolism so successful? - Nature Talk - iNaturalist ...
2020年10月11日 · Holometabolism might have evolved to deal with a specific extreme condition, such as the conditions at the Permian mass extinction event. But it also seems like it took a while for it to catch on: most of the holometabolous insects had to wait another 200 million years, until the Cretaceous to become successful, and a lot of that seems to do ...