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They require more food, resources, take longer to breed and parent.Only the small fish which needed little food and were quick to reprodue survived.Over time, the fish had increased in size, echoing Cope’s Rule – the generalization that most animal groups have evolved toward larger body size.Once 97% of all vertebrate species died off, that body sized plummeted. During mass extinction events, the big guys are first to go."We're only just over the excitement of opening the Melbourne festival and now this," says FILM director Rowan Woods.

So it’s hard to make a relative comparison between big and small “ponds” with regard to your own size as the “fish.”The size of the fish sort of depends on the nature of the pond.

The researchers mapped body-size trends with known climate models of the time.

They found there were no atmospheric oxygen or temperature limitations that would have forced big fish out – it’s all based on ecological factors, the researchers note.“Before the extinction, the ecosystem is stable and thriving so that organisms can spend the time to grow to large sizes before they reproduce, for example,” Sallan said.

Some 360 million years ago, the oceans were teeming with big fish, some as big as a school bus.

Then something terrible happened, the causes of which still escape scientists today: the Hangenberg Event.

Those who are "awake" believe that the world's leaders or other secretive organizations are responsible for what happens in the world, according to Jarrod Fidden, the site's COO.

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