The Instigator
DinoDigi25
Pro (for)
The Contender
EggsAndSam
Con (against)

Should dinosaurs be brought back to life?

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Voting Style: Open Point System: 7 Point
Started: 11/13/2016 Category: Science
Updated: 3 weeks ago Status: Debating Period
Viewed: 184 times Debate No: 96964
Debate Rounds (5)
Comments (0)
Votes (0)

 

DinoDigi25

Pro

Well I think dinosaurs should be brought back to life because it could change the world and if we invent electric fences quick enough, we can have our very own JurassicPark/JurassicWorld!
EggsAndSam

Con

While I agree that it would be quite fascinating for us to observe dinosaurs, the ecological impact is just not worth it. They don't belong in modern ecosystems, by introducing a new predator, it could set off the whole system and lead to the extinction or to the near extinction of a species or even multiple species. Also, we should first focus on endangered animals rather than extinct ones, if we keep trying to bring back dinosaurs, we will neglect the endangered animals that are on the brink of extinction. Finally, bringing back extinct animals is as put "Playing with God", while I don't believe in God, nature made dinosaurs extinct for a reason, why should we go against nature and bring back dinosaurs anyway?
Debate Round No. 1
DinoDigi25

Pro

Now although they made kill the endangered animals, if they kill them we can just bring them back to life too! And if god doesn't like that we can just kill them all so it would be a win-win!
EggsAndSam

Con

I think you greatly underestimate the difficulty of bringing a species back to life. In 2003, scientists tried to make a clone of a Pyrenean ibex from frozen tissue, but even with that rare frozen tissue, the clone still died within minutes [1].

In order to bring a species back from extinction, you need to somehow obtain genetic material from the species (difficult to do if the species has been extinct for a long time). DNA only has a half-life of 521 years [2] (half of it decays every 521), so just put that in perspective when you're talking about bringing dinosaurs back who lived hundreds of millions of years ago.

When/If you get the genetic material, you will need to combine the lab-created cell of the species with a similar/related species [3]. The resulting organism, if you even get one, will usually be born with health defects and will die shortly like the Pyrenean Ibex did in 2003. This is considered as the "cloning method", but there is also a newer and more advanced method.

In genetic engineering, researchers line up the genome of an extinct animal with that of its closest living relative. They would then use CRISPR and other gene-editing tools to swap relevant genes from the extinct animal into the living species and implant the hybrid genome into a surrogate (or grow it in an artificial womb). This approach doesn"t produce genetically identical copies of extinct animals, but rather modern versions of an animal engineered to look and behave like its extinct relatives [4].

As you can see Pro seems to think that bring a species back from extinction is an easy task, when in reality, it is very difficult and has yet to be done completely successfully. Considering that dinosaurs lived Hundreds of Millions of years ago, it's foolish to think that we can bring them back with modern technology.

http://www.livescience.com...
http://www.the-scientist.com...
http://news.nationalgeographic.com...
http://www.sciencemag.org...
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Debate Round No. 5
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