What Was Prehistoric Earth Like?

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  • čas přidán 28. 05. 2024
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    00:05 - What Was Earth Like Before the Dinosaurs?
    10:13 - What If You Lived in the Cambrian Period?
    15:10 - What If Pangea Never Broke Apart?
    19:02 - What If You Lived in the Devonian Period?
    25:47 - What If Dinosaurs Never Went Extinct?
    29:15 - What Was Earth Like in the Cenozoic Era?
    37:20 - What If You Lived in the Paleozoic Era?
    43:40 - What If the Titanoboa Lived Today?
    48:35 - What If Earth Was Half Land and Half Water?
    53:58 - What If the Argentinosaurus Was Alive Today?
    01:00:22 - What If Giant Bugs Roamed the Earth?
    01:07:47 - What If Mosasaurus Were Still Alive?
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    What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.
    Produced with love by Underknown in Toronto: underknown.com
    Contact us at underknown.com/contact/
    #science #cosmos #earth #universe

Komentáře • 543

  • @williamkennedy2474
    @williamkennedy2474 Před 2 měsíci +109

    It's also fascinating how the strongest apex predators are the least likely to survive extinction events, since they are always the most vulnerable to any collapse in the food chain. Smaller animals appear to be way more adaptable while the strongest almost never survive.

    • @rodneywhitley1323
      @rodneywhitley1323 Před měsícem +2

      I think it's omnivores vs. Herbivores or carnivores.

    • @WVa007
      @WVa007 Před měsícem

      Like hunter O'Biden... Weak gene pool.

  • @burgundybabyy
    @burgundybabyy Před měsícem +114

    Everyone saying they’re unsubscribing from an educational channel because he expressed his opinion are the same ones who call people snowflakes. Grow up. Get over it.

    • @gordo1163
      @gordo1163 Před 20 dny +15

      God forbid people have different opinions!

    • @miami444
      @miami444 Před 18 dny +13

      I mean if you claim to be an educational channel you can't openly be a biden boy and expect people to not unsubscribe. Ima still watch cuz i do what i want but those comments shouldn't shock you.

    • @nicksweeney5176
      @nicksweeney5176 Před 16 dny +11

      You need to grow up and get over yourself. He's just devalued himself and discredited himself; he's so degraded himself as to serve as pitch boy for a corrupt regime.

    • @Siatsgaming
      @Siatsgaming Před 14 dny +10

      Simple, leave politics out of education

    • @staticshock8361
      @staticshock8361 Před 13 dny +5

      I will still watch because I love the content, but there is no need to bring political opinion in an educational documentary.

  • @fredkelly6953
    @fredkelly6953 Před 2 měsíci +128

    If dinosaurs had of survived the asteroid we'd still be rats.

  • @MJDaGamer786
    @MJDaGamer786 Před 2 měsíci +24

    19:44 when she said how long could you last? Got me feelin bro😂😂😂

    • @YusufTV
      @YusufTV Před 2 měsíci +2

      So did u say 15 sec? 🫣

    • @MJDaGamer786
      @MJDaGamer786 Před měsícem +2

      @@YusufTV wonderful now you not only know when but how long it took to make you

    • @minimanimoo8715
      @minimanimoo8715 Před 3 dny

      corny

  • @ktkalicka
    @ktkalicka Před měsícem +4

    Really cool compilation, such fascinating facts and worlds. Paints a good picture of prehistoric life.

  • @RubyBoby-ne4qw
    @RubyBoby-ne4qw Před 7 dny +2

    We are all cells in a body of energy, your body has 30trillion cells, you are a universe to those 30 trillion cells. Just as how these solar systems are cells to cosmos

  • @buddhidev7877
    @buddhidev7877 Před měsícem +7

    In the middle of Pangaea, rain was scattered.

    • @mrdavman13
      @mrdavman13 Před 29 dny +3

      Yep vast deserts actually sprang up because of the lack of established terrestrial plants as well as low amounts of water in the area due to the huge amount of area between the ocean and middle of the super continent. Eventually it balanced out more tho but it definitely created all sorts of weird climatological effects.

  • @KevinRicoski
    @KevinRicoski Před měsícem +11

    When ancient people found their fossils, they thought it was a dragon... so every ancient civilization has this dragon thingy

  • @Siatsgaming
    @Siatsgaming Před 14 dny +1

    Great video, just crazy how much we still don’t know about the history!

  • @megzkirana3824
    @megzkirana3824 Před měsícem +5

    Thanks for this knowledge ❤

  • @KidGarden100
    @KidGarden100 Před 3 dny +2

    this is a educational channel keep your politics out of here

  • @DarkHelixia
    @DarkHelixia Před 2 měsíci +11

    My granddad said that they used to have a toilet at the end of the garden, no hot water and no internet - no thanks!

  • @wildcatrewind
    @wildcatrewind Před měsícem +35

    Just bc you are talking about the time period that Biden grew up in doesn't mean you have to mention him 😉

    • @kayleelindley9651
      @kayleelindley9651 Před 12 dny

      He just mentioned bidens program to aid the climate you'll be okay maybe go plant a tree

    • @thekingofkingsrp
      @thekingofkingsrp Před 2 dny +1

      Right what a turn off

  • @MacCanma
    @MacCanma Před měsícem +6

    are those scenes from walking with dinosaurus? i loved that show as a kid.

  • @Huginn9129
    @Huginn9129 Před 2 měsíci +4

    Dimetrodon was NOT a lizard

  • @yougotnojams5182
    @yougotnojams5182 Před 4 dny

    25°C is already hot to y'all?😂 Here in my country 45°C is a normal one and we'd even be drinking hot coffee😂

  • @melissasemanonko5567
    @melissasemanonko5567 Před měsícem +10

    Did anyone else loose audio around 45 min mark

  • @indigolarsen3191
    @indigolarsen3191 Před měsícem +7

    I realise that adding captions to long videos/documentaries like this would be time consuming, but autogenerated is incredibly hard to follow along with given the inaccuracies and lack of punctuation. I’m assuming this channel could afford doing that, and that it would be greatly appreciated by deaf and hard of hearing folks (I am neither). And personally I would just love to be able to see the scientific terms spelled out, so I can do further research afterwards.
    I hope you would consider this,
    Anyways, I’m only 8 minutes into the video so far and enjoying it immensely, so thank you!😊

  • @SuperMrHiggins
    @SuperMrHiggins Před 2 dny

    the proto-mammals are so interesting.

  • @fr57ujf
    @fr57ujf Před měsícem +5

    There was no terrestrial vegetation during the Cambrian.

  • @Ripsaw17
    @Ripsaw17 Před 16 dny +5

    There'd be no Wars because we'd all be in one nation

  • @DaniMetro803
    @DaniMetro803 Před 2 měsíci +20

    Wanting to get a tattoo that represents this channel to say thanks for teaching me so much (I'm thinking about Pangia's outline)

  • @emmanuelzozobrado5981
    @emmanuelzozobrado5981 Před 21 dnem +1

    Creatures were really huge back then.

  • @user-ts9jj7sy6e
    @user-ts9jj7sy6e Před 2 měsíci +13

    This guy always has nice videos on CZcams but i just wanna say keep it up 👍😊

  • @suem6004
    @suem6004 Před 2 měsíci +1

    The earth is ever changing but we humans know exactly how to manipulate earth’s temperature: the global thermostat.

  • @aniketnaik8054
    @aniketnaik8054 Před 2 měsíci +12

    What If deserves more than 100 million subs.

  • @DarcyMagat
    @DarcyMagat Před dnem

    How exciting that's the world is one continental

  • @user-fc2zo8mu1x
    @user-fc2zo8mu1x Před měsícem +1

    No devil running the world peaceful when Adam ran things for just a little season

  • @RubyBoby-ne4qw
    @RubyBoby-ne4qw Před 7 dny

    We should not be going to mars, we should have interstellar fortifications. Such as asteroid cannons. So what ever threat heads to earth is eliminated

  • @barbarahiggins583
    @barbarahiggins583 Před měsícem +1

    What happened to the audio at the 45min mark?

  • @Link-on5bl
    @Link-on5bl Před 2 měsíci +9

    You just called where I lived a blue marble 😭😭😭😭😭😭

    • @yassasloan7308
      @yassasloan7308 Před 2 měsíci

      Nope. The Apollo II astronauts were the first to say that...

    • @Kalicious79
      @Kalicious79 Před 2 měsíci +3

      Lived? Where do you live now? Uranus?😂😂😂😂
      (sorry I just had to😅😅)

    • @Link-on5bl
      @Link-on5bl Před 2 měsíci

      BRO DID I JUST READ THE PAST THEN

    • @yassasloan7308
      @yassasloan7308 Před 2 měsíci

      @@Link-on5bl yep!😁

  • @VishaKim
    @VishaKim Před 3 dny

    Only the real ones remember living on Pangea ✊

  • @Mikehermit
    @Mikehermit Před 16 hodinami

    Me personally I would survive all this

  • @RubyBoby-ne4qw
    @RubyBoby-ne4qw Před 7 dny

    We are cells in the Milky Way, stand corrected

  • @gatorbaitfishing466
    @gatorbaitfishing466 Před měsícem

    The cover photo is gorgeous .. I'd go there

  • @fahimredwan
    @fahimredwan Před 2 měsíci

    Love what if videos❤❤🎉🎉

  • @drumlinekelly630
    @drumlinekelly630 Před 23 dny +1

    A bird sized cockroach is not okay

  • @mayrlong5039
    @mayrlong5039 Před 8 dny

    What if aliens drop all their sea animals in our home 😮

  • @Drillbit993
    @Drillbit993 Před 2 měsíci

    Are these long form vids compilations or completely new content

  • @akshaysharma9589
    @akshaysharma9589 Před 16 dny

    According to the timeline of earth t rex is closer to i phone than starting of life on earth

  • @Gi_sketcher
    @Gi_sketcher Před 22 dny +2

    Shout to the camera who time travel to the past 😂

  • @catmamameowsdewdropinn
    @catmamameowsdewdropinn Před 19 dny +2

    What did it look like pre-Pangea?

  • @QwertyQwerty-ri4if
    @QwertyQwerty-ri4if Před 27 dny +1

    Philippines temperature now 45°c

  • @patrickcarnahan9512
    @patrickcarnahan9512 Před měsícem +2

    You're a good story teller.😂

    • @kygal
      @kygal Před měsícem

      Yeah, until he started promoting Biden.

  • @AbhimanyuKumar-wg1hg
    @AbhimanyuKumar-wg1hg Před 17 hodinami

    Dinosaur fossil will be shell less giant turtle.

  • @AdrianEnriquez-dr8of
    @AdrianEnriquez-dr8of Před 7 dny

    What if the meteors that mentioned is called the visitors which is the space ship of annunaki hahahah

  • @TikiRainbows
    @TikiRainbows Před měsícem

    'The cutest of them all, cockroaches'

  • @gekothenoob7544
    @gekothenoob7544 Před měsícem

    We wouldnt have this if one fish decided to leave the ocean😂

  • @yanchouser7364
    @yanchouser7364 Před 2 měsíci +1

    Nothing has changed in evolution, one man will still eat another just for his own gain or hunger.

  • @RubyBoby-ne4qw
    @RubyBoby-ne4qw Před 7 dny

    Don’t get me started with mining earth

  • @vulan3424
    @vulan3424 Před měsícem

    Did Safiya do the voice from minute 19th??

  • @sithlordhibiscus9936
    @sithlordhibiscus9936 Před 2 měsíci

    My mom thinks a 2 in lizard is Godzilla. 😂 a cricket is mothra.

  • @davidmiller1151
    @davidmiller1151 Před měsícem

    The cutest of them all bird sized cochroaches😮

  • @Dumbo_Bat
    @Dumbo_Bat Před měsícem

    7:46 I say cynodonts looked rather more like giant weasels

  • @christopherphillips8597

    Haven't learned one damned thing i didnt know 10 years or more ago on this channel. I just like paleontology. So i put up with the over and over again same thing

  • @randomguy0113
    @randomguy0113 Před 2 měsíci +7

    I want to try pre historic drug plant substances 😊

  • @user-mm4bb7wt8u
    @user-mm4bb7wt8u Před měsícem +2

    How large were the Oceans during that time??

  • @tirlonburke9875
    @tirlonburke9875 Před 12 dny

    snakes do NOT eat daily

  • @FranklinWilson-ev9dq
    @FranklinWilson-ev9dq Před 2 měsíci +2

    Prehistoric Days, Was Pangea!!!!!!!!!!!!!!!

  • @burninhellfish
    @burninhellfish Před 16 dny

    at devonian you just can't breath

  • @tomokaMiyazaki40
    @tomokaMiyazaki40 Před 16 dny

    Crazy

  • @WhiskeyToro
    @WhiskeyToro Před měsícem

    Children of the future watching this and if you ever come across my comment--please know that this is all just hypothetical. We will NEVER know what the past was like millions and even billions of years ago. There's literally no way we could ever know. This is all regurgitated information that is from people that have been entrusted as the smartest people in the world...just like we don't know how old the Earth actually is. But it's fun, not fact.
    One day, human life will cease to exist on this planet-- that is an absolute certainty. What follows... who knows? And that's what makes it all so fascinating

    • @bonniemob65
      @bonniemob65 Před dnem

      None of this is hypothetical (aside from the "What if * insert-extinct-animal-here * was still alive?" sections). Everything from this video is stuff we know from studying geology and palaeontology.
      We also know exactly how old the Earth is, thanks to radiometric dating: 4.54 ± 0.05 billion years old.

  • @prototropo
    @prototropo Před měsícem

    The ancestors of mammals were never "reptile-like!" That is an old, discredited idea.
    From our very beginning, we were distinct from reptiles--because both lineages evolved from amniotes, which had descended from amphibians, and their new their amnion allowing their eggs to survive away from water.
    It was shortly afterward that amniota itself branched into two lines--synapsids--our oldest ancestors, and sauropsids--the family that produced lizards, snakes, crocodiles, dinosaurs and birds. Both diverged from amniota, snd so we were no more like reptiles than reptiles were mammal-like.

  • @spiderkid65
    @spiderkid65 Před měsícem

    I wonder what the weather was like back when the dinosaurs were around

    • @MrEnjoivolcom1
      @MrEnjoivolcom1 Před měsícem

      HOT!! Way more humidity. Oxygen was up to the 36% marks. We humans would’ve been miserable, if not dead!!

  • @Mark-mu4pj
    @Mark-mu4pj Před 2 měsíci

    Good video

  • @notpegamer
    @notpegamer Před měsícem

    i need to know aobut the mesazoic era like ( the jurassic , triassic , and the cretaciouse )
    and actually thanks for the 1 hour long of info
    edit : you know what is gonna happen when the ice age ends and the golden age rises the final time ?

    • @mrdavman13
      @mrdavman13 Před 29 dny

      We go extinct when the ice age ends.

  • @meaar-uf8wh
    @meaar-uf8wh Před 2 měsíci +1

    i think all in this vids i mental

  • @malsomakawlni3228
    @malsomakawlni3228 Před 27 dny

    The Iceage started about 2.4 ml years ago and lasted to about 11500 years ago. So, the iceage ended about 11500 year ago and not 300 ml years ago.

    • @bonniemob65
      @bonniemob65 Před dnem

      There have been many ice ages throughout Earth's history. _The_ Ice Age did occur between 2.4 million and 11.5 thousand years ago, but there was also _an_ ice age in the Carboniferous Period about 300 million years ago.

  • @Jportin
    @Jportin Před měsícem +2

    here in philippines 🇵🇭 as of march 2024.. the temperature is 37c feels like 40c. 🥵

    • @tiredsocks
      @tiredsocks Před měsícem +2

      still snowing in Canada 😋👍

  • @tanbui7869
    @tanbui7869 Před 26 dny

    What if we're just a combination of elements?

  • @stephanielindsey3960
    @stephanielindsey3960 Před měsícem

    Me too 🤣🤣

  • @tiredsocks
    @tiredsocks Před 2 měsíci +3

    hearing Nova Scotia on the pangea bit was a nice surprise cuz i feel like the rest of canada (and the whole world tbh) sometimes forgets that we exist ;-;
    is creator from the maritimes too or is this just coincidence?

  • @NotRizzz
    @NotRizzz Před 25 dny

    44:43 video has no audio here

  • @paulwilson2651
    @paulwilson2651 Před 8 dny +1

    The climate os always changing. The opening of this video says that there was a Ice age then the planet warmed well we never caused these changes and we're not causing the changes today either.

    • @bonniemob65
      @bonniemob65 Před dnem

      We are causing the climatic changes today - the rate at which the global air temperature is warming and sea levels are rising is much higher than the ordinary climatic changes that occured before the industrial revolution.

    • @paulwilson2651
      @paulwilson2651 Před dnem

      @@bonniemob65 Nonsense. Every single Global warmist predictions have failed to pass. You be brainwashed if you want.

  • @srijonpator3220
    @srijonpator3220 Před 2 měsíci

    Make a video on crossoptergii in late devonion period..😊

  • @TheGospelofKenneth
    @TheGospelofKenneth Před 2 měsíci

    131k views and only 200 comments is...odd to say the least 🤔

  • @Zelda_0000
    @Zelda_0000 Před měsícem +1

    how the archeologist know that they are dinosaur??? they just dug bones 😅😅😅😅😅 they didnt know what skin that big animal has 😅😅😅😅

    • @Zelda_0000
      @Zelda_0000 Před měsícem

      dinosaurs are scientist's imagination for me 😅😅😅

    • @bonniemob65
      @bonniemob65 Před dnem

      In some instances, skin impressions have been found in the underlying rock, and on very rare occasions the dinosaurs mummified before they died, meaning their skin was fossilised too.
      If you want some examples of dinosaurs with skin impressions and dinosaur mummies, look up: "Borealopelta", "Lane the Triceratops", "Senckenberg Psittacosaurus ", "AMNH Edmontosaurus mummy" and "Carnotaurus skin".
      There are also some dinosaurs which were covered by feathers. Some of these feathers range from simple tufts and fuzz (e.g. Sinosauropteryx, Yutyrannus, Tianyulong, Kulindadromeus) to pennaceous bird-like feathers (e.g. Ornithomimus, Caudipteryx, Microraptor, Zhenyuanlong, Anchiornis).
      Hope this helps.

  • @driii9504
    @driii9504 Před 2 měsíci +1

    I always enjoy your videos!

  • @sgt.kitsune4615
    @sgt.kitsune4615 Před 22 dny +2

    What if every million years a disasters happen and new life sprouts from it. It's like earth keeps resetting it cause it's bored

  • @edwardholmes3716
    @edwardholmes3716 Před 2 měsíci +1

    I didn't hear Africa mentioned

  • @tjplayzlol5901
    @tjplayzlol5901 Před 2 měsíci +1

    I want trex steaks

  • @FENRIS-400
    @FENRIS-400 Před 2 měsíci +3

    Well done, I like your content

  • @UnforgivenIV
    @UnforgivenIV Před 2 měsíci +1

    Had trouble getting a mobile signal 2/10

  • @TIFFANYDlAS
    @TIFFANYDlAS Před měsícem +2

    Did anyone else have it cut off at the end?

  • @L0veGea822
    @L0veGea822 Před měsícem +1

    Malo okolokucno mjaukalo.🐱

  • @odhiamboowiyo9596
    @odhiamboowiyo9596 Před 15 dny

    Hold up a minute. At 16:25, as you start describing where each continent/ country would be, did you intentionally leave out Africa?! Thats some straight-up BS

    • @kayleelindley9651
      @kayleelindley9651 Před 12 dny +1

      Did your watch the video? 😭 like 5 minutes agate that he shows where Africa was

  • @mariamarroquin1663
    @mariamarroquin1663 Před 2 měsíci +6

    Fascinating!

  • @sipoppy984
    @sipoppy984 Před 2 měsíci +2

    Kilometers and meters mean nothing to my American brain.. 🤷‍♂️

  • @LawrenceMichael-fy3rk
    @LawrenceMichael-fy3rk Před měsícem

    Yg gue mau tahu ,Semenjak Bumi Mula" ada Dan baru wujud ,Apa Jenis Animal Dan orng or tumbuhan dalam bumi tersebut ya 🤐🗺️

  • @cooper7031
    @cooper7031 Před měsícem

    Narrator is Canadian

  • @Shilohversus_Edits
    @Shilohversus_Edits Před 2 měsíci

    Cool

  • @mikepederson8525
    @mikepederson8525 Před měsícem

    out after \-=4 min

  • @dalipsingh9765
    @dalipsingh9765 Před měsícem

    i really hope humanity exists for at least 10000 years more

  • @princebhatia09
    @princebhatia09 Před 15 dny

    Looking for "cameraman comment"

  • @user-jv7bh9js7b
    @user-jv7bh9js7b Před měsícem

    Titanic? 52:02

  • @TheMrFarkle
    @TheMrFarkle Před 13 dny +1

    A fine presentation for middle-school science classes.

  • @rorypike1541
    @rorypike1541 Před 6 dny

    All of this is speculation. I can't fathom how scientìsts get mammals from egg laying reptiles 😂😂😂 or reptiles from fish. 😂😂😂

    • @bonniemob65
      @bonniemob65 Před dnem

      •Mammals didn't come from reptiles, they came from synapsids. Look up the synapsid fossil record - as it progresses from the Late Carboniferous to the Late Jurassic, they become more and more mammal-like (e.g. Archaeothyris, Ophiacodon, Gorgonops, Scylacosaurus, Thrinaxodon, Cynognathus, Morganucodon, etc.). Also most mammals used to be egg-laying. In fact, the monotremes (the platypus and four species of echidna) still lay eggs instead of giving live birth.
      •All tetrapods (amphibians, reptiles+birds, and mammals) evolved from the same lobe-finned fish ancestors - there's a pretty extensive fossil record of stem-tetrapods, such as Eusthenopteron, Panderichthys, Tiktaalik, Acanthostega and Ichthyostega, which progressively get less fish like as time passes - their fins become more finger-like, they begin to form primitive pectoral and then pelvic girdles for supporting their weight on land, etc.

  • @amaliadelrosario7448
    @amaliadelrosario7448 Před 18 dny

    But if crocodile is a 🦖🦕🐊

    • @bonniemob65
      @bonniemob65 Před dnem

      Crocodiles aren't dinosaurs. They're closely related, as they are both archosaurs, but the crocodile-like archosaurs (Pseudosuchia) split off from the dinosaur-like archosaurs (Avemetatarsalia) 8-15 million years before dinosaurs evolved.

  • @CTCG17
    @CTCG17 Před 27 dny +1

    At what time stamp did he mention Biden?

  • @stonedcamper420
    @stonedcamper420 Před 2 měsíci +8

    Can you pls say both metric and imperial not all of us live in canada or other places that use your measurements titrd of having to figuring it in american measurements than you

    • @emjaywrites
      @emjaywrites Před 2 měsíci

      You don’t have to figure it out. Just Google it.

    • @rainfallen7574
      @rainfallen7574 Před měsícem +3

      Cope

    • @kalebnickell1120
      @kalebnickell1120 Před měsícem +2

      Lmfao it’s not that difficult to learn them. It’s actually easier than imperial

    • @debroselle8877
      @debroselle8877 Před 24 dny +1

      Life is rough, get a helmet.