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1

Large animals are first in a row to die in such a catastrophic events. They need a lot of food per day and thus need high average density of eatable biomass. Just take a look at how dinosaus started: Permian-Triassic extinction event. All proto-mammals larger than a fat mouse gone extinct and those who survived were unable to evolve to "full size" faster ...


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There are two major factors to be considered. The first is that at the end of the Jurassic it is reasonable to assume that the dinosaurs were in a state of decline as they were at the end of Cretaceous when the Chicxulub impactor delivered its death blow. So based on this it is probable that the dinosaurs wouldn't survive the end of Jurassic and impactor ...


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By allowing men to breed. Much more babies, and different pregnancies. You also have to take into consideration the natural selection. Without even changing the reproductive cycle, you'll get supernatural human made for wild life after a thousand year (may be you can't wait that long). You could also say that modifications in the genome are happening ...


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You don't One of the definitive aspects of humanity is that we're obligate tool users. Without tools we're useless, blunt teeth and no claws, with the right tools we can kill anything. There is no creature our size or larger against which humans can go head to head and come off better without our tools. We'd have serious trouble with a lot of creatures ...


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Genetic engineering to support a social dogma. The thing about humans is that we're really good at altering the environment around us using our tools. As a result, even if some mysterious force made every other living thing more dangerous to humans, we'd just respond by domesticating the ones we can and killing off the ones we can't. Bulldozers are ...


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Narrow or Dam the straits of Gibraltar In order to make the sea less salty by geological means, you need to take water out of the sea, evaporate it to dryness, then have it fall as rain. There is a net inflow of water into the Mediterranean sea through the 14km wide Strait of Gibraltar, and evaporation causes the mediterreanean sea to accumulate salt, ...


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