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13-07-2019, 11:26   #361
gozunda
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Originally Posted by purplesnack View Post
So basically the dinosaurs had 54 million years to evolve and adapt to their environment. Animals alive today have been evolving over millions of years but the environment is changing too quickly now for them to be able to adapt and survive.
The 54 million years just relates to the Jurasic.
Afaik scientists reckoned CO2 levels also rose fairly quickly then. In total the Dinosaurs were around for 179 million years. There were lots of different evolutionary stages of Dinosaurs as well and over time various species either died out or evolved and continued on. They were only finally wiped out 66 million years ago by a Asteroid impact in the Yucatan peninsula. Bit of a buger that tbh....

Imo the difference this time is humans. Many species of wild animals are already under increased pressure from all forms of human activities.

Last edited by gozunda; 13-07-2019 at 16:06.
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13-07-2019, 13:18   #362
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The 54 million years just relates to the Jurasic.
Afaik scientists reckoned CO2 levels also rose fairly quickly then. In total the Dinosaurs were around for 179 million years. There were lots of different evolutionary stages of Dinosaurs as well and over time various species either died out or evolved and continued on. They were only finally wiped out 66 million years ago by a Astroid impact in the Yucatan peninsula. Bit of a buger that tbh....

Imo the difference this time is humans. Many species of wild animals are already under increased pressure from all forms of human activities.
Of course it's humans this time. The fact that we're the cause of the sixth mass extinction is not exactly something to be proud of. Humans cull animals that are considered vermin, yet our population is increasing at an alarming rate. If there were more than 7 billion of any other apex predator on the planet, we would be calling it a plague. The fact that we consume so much (and not just food) doesn't help. There would need to be major changes in attitude to turn things around but our collective greed will never allow that to happen. It's depressing to be honest.
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13-07-2019, 16:28   #363
gozunda
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Originally Posted by purplesnack View Post
Of course it's humans this time. The fact that we're the cause of the sixth mass extinction is not exactly something to be proud of. Humans cull animals that are considered vermin, yet our population is increasing at an alarming rate. If there were more than 7 billion of any other apex predator on the planet, we would be calling it a plague. The fact that we consume so much (and not just food) doesn't help. There would need to be major changes in attitude to turn things around but our collective greed will never allow that to happen. It's depressing to be honest.
If it will cheer you up - (and the point is) extinction level events have happened previously and will most likley happen again. Whilst such events involve large scale species loss - the good news is that the planet keeps going and new species evolve.

Humans are just a blip in geological time tbh.

Last edited by gozunda; 13-07-2019 at 21:56.
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13-07-2019, 21:55   #364
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If it will cheer you up - (and the point is) extinction level events have happened previously and will most likley happen again. Whilst such events involve large scale species lost - the good news is that the planet keeps going and new species evolve.

Humans are just a blip in geological time tbh.
Yep in a couple of million years humans will probably be extinct, global warming will be replaced by the next or even several ice ages , and there will be millions of new species.
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