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Recent research has cast doubt on a leading theory regarding the extinction of giant flying insects, such as the two-foot-long dragonflies that once roamed the Earth. The hypothesis suggested that lower atmospheric oxygen levels were the primary reason these massive insects could no longer survive. However, new findings indicate that their breathing capacity might have been sufficient to adapt to these changes in oxygen levels.
The study highlights the complexities of insect physiology and how these ancient creatures may have had mechanisms to compensate for the reduced oxygen availability. This revelation not only challenges previous assumptions but also opens up new avenues for understanding the evolutionary adaptations of insects over millions of years.
The implications of this research extend beyond just the history of dragonflies; they may also provide insights into how current insect species could respond to ongoing environmental changes. As climate change continues to affect ecosystems, understanding the resilience and adaptability of insects becomes increasingly important.
This study adds to the growing body of knowledge about ancient life forms and their interactions with the environment, emphasizing the need for further investigation into the factors that influence species survival.
Source: arstechnica.com – https://arstechnica.com/science/2026/03/leading-explanation-for-ancient-giant-flying-insects-gets-squashed/