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Anonymous
Why did the aquatic dinosaurs become extinct, while other sea life stayed alive?
>> Anonymous
because.. you.. touch.. yourself at night...?
>> Anonymous
Because the ocean is not isolated from the world above. If the whole world is fucked then the WHOLE world is fucked.
>> Anonymous
>>215474
How did animals like crocs/aligators survive then? ++mammals
>> Anonymous
>>215479
youre funny
>> Anonymous
>>215485
DAD?!?!?
>> Anonymous
>>215479
Invent the time machine and find out fgt. Nobody really knows shit.
>> Anonymous
>>215493
I know shit when I see it

For future reference:>>215493
>> Anonymous
>>215460
...because they couldn't compete, because they sucked. The same wolves, lions, tigers, and bears going extinct. Brain beats brawn and if they wanted to win they should have invested in bigger brains and not claws, teeth, and strength.
>> Anonymous
ohshit POKEMON
>> Anonymous
>>215503
But like.. what animals could kill those huge sea dinosaurs? Couldn't they catch fish like whales do now?
>> Anonymous
>>215513

see>>215493
>> Anonymous
>>215516

see>>215498
>> Anonymous
>>215519

read the post again stupid
>> Anonymous
>>215527
read the post again stupid
>> Anonymous
>>215531
You didnt read it. He's making a joke about knowing shit (haha) then referring future references to that post.
>> Anonymous
>>215537
You miss-stepped in the context and link chain, good sir.
>> Anonymous
>>215539
You're a human.
>> Anonymous
Plesiosaurs, ichthyosaurs, etc. =/= dinosaurs.
>> Anonymous
>>215549
?????????????
>> Anonymous
>>215551

A lot of "dinosaurs" that lived in the sea aren't actually classified as dinosaurs.

Having said that, if the current prevalent theory (massive meterorite smackdown) is true, than the dust cloud covering the sunlight would also have significantly dropped the oceans' temperatures. Since these large-bodied, most likely cold-blooded reptiles (dinosaurs, scientists think, were warm-blooded) probably regulated their temperature with water, that is probably why they died out.
>> spiderman !!Q+JluTncCte
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>> Anonymous
>>215581
wtf? The guy jam the snake's end into its mouth?
>> Cliff Diving
>>215615

Ouroboros.
>> Anonymous
Penguins are the only aquatic dinosaurs known. They haven't gone extinct, yet.
>> Anonymous
>>215618
Sounds like a challenge.
>> Declining oxygen? Anonymous
At that time there was a significantly higher percentage of oxygen in the earth's atmosphere. This is the main reason why beasts were so large during some of those prehistoric times. (Not just dinosaurs, by the way, but horses and others later when mammels arrived)

My best guess is that dropping oxygen levels made many of the largest unfit. I'm also guessing that as ocean predators they maybe couldn't compete with the simplicity of the mouth-on-a-missile design of the shark.

Interesting question though :)
>> Anonymous
>>215659
well, if japanese fishermen ever realize they taste delicious, it wouldn't be much of a challenge
>> Anonymous
>>215681
Not only the oxygen levels made large animals extinct, the whole world together really liked to fuck with large animals. First the ice age came when only small animals who take small food and have it easier to escape predators can survive. A lot of animals became smaller to survive, then became larger after the ice age disappeared [like whales], though none ever came to be as big as they used to and it's better that way.
Seriously. Sloths were the size of trees, tigers had their paws as big as the screen you're staring at.

There was this Discovery Channel show that ended right now, y'see.
>> Anonymous
>>215460
Apex predators are the first thing to go when shit hits the fan. Which is a shame, since they're so cool.
>> Anonymous
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the answer to all your questions is "God did it" if you had faith and opened your heart you would understand.
>> Anonymous
crocidiles are aquatic dinosaurs....
>> Anonymous
>>216576

Sharks are apex preds, too, and they lived through the extinction.
>> Anonymous
>>216592
No, they're not. I suggest you recheck your cladogram.
>> Hyper Cutter !XQ6W0CNp/o
>>215681
iirc, the extinction at the end of the Cretaceous is the only major extinction that does NOT coincide with a drop in oxygen (and the only one definitively associated with an asteroid impact)

>>216572
That's not quite how it worked. Hell, most of the animals that went extinct at the end of the most recent ice age just happen to vanish shortly after humans show up (as happened on... well, just about every island in the Pacific able to support life)
>> Anonymous
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>>216585

LISTEN TO THIS MAN
>> Anonymous
they got smashed into rocks when the flood came
>> Anonymous
Ouroboros :o

http://en.wikipedia.org/wiki/Ouroboros
>> Anonymous
>>215618
I like you.
>> Anonymous
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But then why did the gigantic sharks die out?
>> Nagi
>>216576

This, for the most part. The Chicxulub impact and whatever-the-hell-else happened at the end of the Cretaceous (Deccan Traps, etc.) that killed off most of the land life on the planet also mucked with the aquatic ecosystem. A global drop in sea levels dumping shallow sea top predators into deep sea top predators' ecosystems didn't help matters. The ground-up unsettling of the food chain combined with native and foreign top predators now fighting it out for similar territory killed off all the top marine reptiles of the time.

The reason sharks survived is because, well, they weren't the apex predators in the Mesozoic. Pliosaurs were in the Jurassic, and mosasaurs were in the Cretaceous. Sharks were opportunists that usurped the throne once the marine reptiles were all gone. And what happened when sharks did claim the apex marine predator throne? Megalodon happened. And then another ever-so-slight change in marine ecosystems killed him off in the blink of an eye, too, because apex predators are the most fragile niche out there to fill.
>> Anonymous
IT'S A DINOSAUR, RUN FOR THE HILLS
>> Anonymous
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>>215460
says who?
>> Anonymous
>>217421
Just because you painted a dinosaur getting fucked by a stick-figure-raid that could resemble a cave-painting doesn't mean that he's wrong. :(
>> Anonymous
sometimes i wonder, if we lived with the plesiosaurs and ichtyosaurs etc., would we find whales and dolphins as exotic as we find the sea reptiles today? i.e. why is all the cool stuff dead?
>> Anonymous
>>217447
I think so. I've never found ichthyosaurs that exotic since they're basically just reptilian dolphins with shark-like tail fins. But plesiosaurs and pliosaurs are something else, and mosasaurs are cool too, maybe just because they're so outlandish. So I guess if we lived in the Cretaceous, whales and dolphins would be the shit.
>> Anonymous
>>215618
i wouldn't really call a penguin aquatic...