Evolution. Repost, but it's hilarious.. the size diference is because the oxygen content of the atmosphere being much lower today. Its biologically impossible for reptiles to grow so large now
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Evolution

Repost, but it's hilarious

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#3 - scullyossis (05/06/2013) [+] (9 replies)
the size diference is because the oxygen content of the atmosphere being much lower today. Its biologically impossible for reptiles to grow so large now

#6 - thereoncewasaman (05/06/2013) [-]
Dinosaurs taste like chicken
#30 - ishotthedeputy (05/07/2013) [-]
>Makes a joke about evolution   
>Uses 3.6 billion years of evolution to make a comic on the internet
>Makes a joke about evolution
>Uses 3.6 billion years of evolution to make a comic on the internet
#25 - anonymous (05/07/2013) [+] (13 replies)
evolution supposedly makes things bigger, faster, smarter yet it turned dinosaurs into birds....the whole theory sounds like a desperate attempt to explain reality without God.
User avatar #27 to #25 - yourbaus (05/07/2013) [-]
not necessarily bigger, but more efficient
User avatar #9 - BrownBearninetysix (05/06/2013) [+] (2 replies)
Wouldn't larger reptilian creatures have died out, leaving smaller creatures to evolve into chickens?
User avatar #10 to #9 - ninjasquirle (05/07/2013) [-]
Actually birds evolved before the dinosaurs went extinct however they are also an extant group of reptiles basically meaning birds while they are basically advanced dinosaurs have changed so much they gained a new classification. As for the Tyrannosaurus family only the T. Rex was actually large most species of that family were around raptor height so the connection to smaller form is not unusual. In fact Great Whites are the only living descendants of Megladons yet they themselves due to decreasing oxygen levels in the water resulted in a smaller body size over time.
+2
#67 - keggut **User deleted account** has deleted their comment [-]
#43 - darknesincontrol (05/07/2013) [+] (10 replies)
They say the T-Rex might possibly had feathers.
The picture is made By Sammy Hall.
Im okay with it, if it looked anything like this. Though we might never know...
User avatar #53 to #43 - jakefenris (05/07/2013) [-]
No idea about the T-rex, but I do know archaeologists have stated that velociraptors did have feathers.
#32 - psychopsychedelic (05/07/2013) [+] (1 reply)
Evolution

y u do dis
User avatar #28 - addia (05/07/2013) [-]
Pfft, it's the dinosaurs fault. He could have just pressed the B button.
User avatar #5 - shutupmegthesecond (05/06/2013) [-]
Thinking to myself... "I swear I've seen this before"

www.funnyjunk.com/funny_pictures/4562541/God+Damn+it+Evolution/

At least you waited ... a week.
#72 - skysailor (05/07/2013) [-]
What a ******* tease!
You have no arms, so evolution gives you some arms and takes all your badassery away and makes you into some slenderman retard parrot. Then it takes away your arms again, making you eve more useless. Then it's like, "hey, sorry about all that, so we're going to give you some wings," but guess ******* what, you can't ******* fly!
#71 - mantou (05/07/2013) [-]
evo made it deadlier over time ( and tastier)
User avatar #36 - jalthelas (05/07/2013) [+] (5 replies)
The theory is that there was a lot more oxygen in the atmosphere back during the age of the dinosaurs, which allowed mammals, reptiles, and other species to grow much larger. They are not able to grow to such sizes today with the lesser amount of oxygen in the atmosphere.
User avatar #52 to #36 - KiraLives (05/07/2013) [-]
Actually oxygen was only about 50% higher back then, at it's highest, and lower than today at it's lowest (as a side note, CO2 was about 600% higher), it may have contributed to their massive size, but it wasn't the main reason. Dinosaurs had bird lungs (or more properly, birds have dinosaur lungs), so they were extremely efficient at getting oxygen out of the air. The Mesozoic was also a warm period, which helps increase animal diversity. Size is a good strategy, if you're too big to eat, you won't get eaten, and if you don't get eaten, you make more babies. It works the same way with carnivores, the bigger your food is, the bigger you have to be to take it down, unless you change strategies and try pack hunting (or eating plants, therizinosaurus I'm looking at you). Mammals have gotten huge before too, and that happened without significant boosts in oxygen.

Also, in reference to your comment below, the giant dragonflies are from the Carboniferous period, which is long before the dinosaurs first appeared.

I'm studying to be a paleontologist, if you guys have any further questions!
User avatar #70 - shodaihokage (05/07/2013) [-]
I was just thinking...over the course of thousands of years we could take a population of rats and make the undergo natural selection by killing one off with undesirable traits. Technically speaking we could make these rats evolve into pikachu!
#68 - anonymous (05/07/2013) [-]
So many master trollers in comments, and so many idiots that think they're being serious. "omg evolution is real kiddo, I'll wreck you up with knowledge son!" ******* morons...
#24 - DarkRyter (05/07/2013) [-]
It moves from a niche scavenge apex predator to one of the most populous vertebrates on the planet.

#7 - gastwoq (05/06/2013) [-]
come on man! it was posted 2 days ago. wait a little more.
#2 - anonymous (05/06/2013) [-]
I like terror birds.
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