The authors further note that the new wings did not re-evolve from scratch; genetic blueprints seem to have lain in wait for at least 50 million years, until flight was favored over fecundity (wingless insects tend to lay more eggs).
The authors further note that the new wings did not re-evolve from scratch; genetic blueprints seem to have lain in wait for at least 50 million years, until flight was favored over fecundity (wingless insects tend to lay more eggs).
他们进一步指出，新的翅膀并非重头开始再演化的结果，相关的遗传蓝图似乎已蛰伏了5000万年以上，直到「飞行」在繁殖上取得优势后才重出江湖（无翅昆虫通常比较多产）。