How come theres no reptiles that stand upright like a dog?

How come theres no reptiles that stand upright like a dog?

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  1. 3 weeks ago
    Anonymous

    Why would they need to? Their current body plan works just fine

  2. 3 weeks ago
    Anonymous

    Lizards are evolving like mammals. The next step in lizard evolution want be dinosaurs 2, it's going to be mammals 2.
    Just look at how tegus have evolved warm blood and look at their dentition.

    • 3 weeks ago
      Anonymous

      Look at this shit. They're burrowers too, just like our ancestors.

      • 3 weeks ago
        Anonymous

        That's actually really interesting. Are they the only heterdont reptiles?

        • 3 weeks ago
          Anonymous

          Plenty of crocs developed heterodony independently at various moments.

          • 3 weeks ago
            Anonymous

            I should have specified extant. But yeah ancient crocs were wild. I miss those funky bastards.

        • 3 weeks ago
          Anonymous

          The whole homodonty = reptiles heterodonty = mammals has always been horseshit peddled by people who don't care enough about certain groups of animals to examine them closely.
          https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6397764/
          While we're here, shouldn't a viper's fangs make them heterodonts? Would a dolphin's uniform teeth not make them homodonts?

  3. 3 weeks ago
    Anonymous

    >momentarily remembers its ancestors used to be dinosaurs and sheeit

    • 3 weeks ago
      Anonymous
    • 3 weeks ago
      Anonymous

      Too bad all the land crocodiles went extinct before we could preserve a single one.
      Fricking Polynesians and Abboos.
      Land crocodiles didn't evolve from the modern living ones and they were true crocodiles.

      • 3 weeks ago
        Anonymous

        Wait no, this is wrong. And it made me happier that it's wrong. 🙂
        Land crocs can re-evolve from water crocs. How nice.

      • 3 weeks ago
        Anonymous

        >Fricking Polynesians and Abboos.

        You're one to talk. What happened to all your rhinos, elephants, lions, leopards, hyenas, and cheetahs, white man?

        • 3 weeks ago
          Anonymous

          What, you mean the genuinely dangerous animals? We're talking about borderline sedentary lizards that you have to be moronic to be attacked by.

        • 3 weeks ago
          Anonymous

          They died out because we outcompeted them, presumably
          You lost this argument already btw

        • 3 weeks ago
          Anonymous

          >rhinos
          Chinese
          >leopards
          Chinese
          >tigers
          chinese
          >elephants
          African poachers (for Chinese)
          >hyenas
          Wtf are you talking about? They are everywhere
          >cheetahs
          Only one.

          • 3 weeks ago
            Anonymous

            Yeah, he's talking about how all of those things used to be in Europe, brain cell.

            • 3 weeks ago
              Anonymous

              I meant the Chinese exterminated them, because the biggest demographic of extinction-causers isn't Europeans, it's Asians / Africans.
              And what the frick are you on?
              >rhinos in europe

              • 3 weeks ago
                Anonymous

                The chinese killed all the european megafauna 5000ish years ago? i don't think that's accurate...

    • 3 weeks ago
      Anonymous

      It's ancestors weren't dinosaurs, it's ancestors ate dinosaurs

    • 3 weeks ago
      Anonymous

      >its ancestors used to be dinosaurs
      No

  4. 3 weeks ago
    Anonymous

    Reptiles don't have bones.

  5. 3 weeks ago
    Anonymous

    [...]

    https://i.imgur.com/zRNCF9n.jpeg

    >Catgay immediately buts in due to his insecurities
    This is a dog world, my friend. cats are only on borrowed time.
    Besides that, mustelids are closely related to dogs. More so than c*ts.
    There's my answer to you.

    >anon makes offhand cat comment
    >triggers the schizophrenics to come and shit everywhere
    Obsessed.

    • 3 weeks ago
      Anonymous

      Who are you quoting?

  6. 3 weeks ago
    Anonymous

    They can do you one better and actually run like a human. 🙂

    • 3 weeks ago
      Anonymous

      This but the size of a komodo dragon when

      • 3 weeks ago
        Anonymous

        The planet is too cold.

      • 3 weeks ago
        Anonymous

        They don't walk or run upright because unlike some lizards, monitors don't have the same evolutionary pressure.
        Best you can get is the tripod position lol

        • 3 weeks ago
          Anonymous

          I love how monitors look when they stand upright, they just look like funny little men

      • 3 weeks ago
        Anonymous

        Never, hopefully

        It's ancestors weren't dinosaurs, it's ancestors ate dinosaurs

        Based

  7. 3 weeks ago
    Anonymous

    1. They breath partly by twisting the torso side to side as they walk or run, something that doesn't work with the legs beneath them
    2. They regulate their temperature by moving the body closer or further away from the ground, which is easier if the legs aren't directly below them.
    2.5. They wouldn't benefit much from the greater speed afforded by upright legs because they lack ATPase metabolism that allows dogs to remain active for longer amounts of time.
    3. dogs ARE the reptiles that evolved to stand like dogs

    • 3 weeks ago
      Anonymous

      >3. dogs ARE the reptiles that evolved to stand like dogs
      erm actually dogs are fish

    • 3 weeks ago
      Anonymous

      >3. dogs ARE the reptiles that evolved to stand like dogs
      What?? Source?

    • 3 weeks ago
      Anonymous

      mammals are not reptiles

      • 3 weeks ago
        Anonymous

        mammals evolved from reptiles

        • 3 weeks ago
          Anonymous

          Mammals evolved before reptiles lol

          • 3 weeks ago
            Anonymous

            Pic related.

            • 3 weeks ago
              Anonymous

              >Reptilia (traditional class)
              that chart literally shows mammals evolving from reptiles.

              • 3 weeks ago
                Anonymous

                they both evolve from amniotes but they are separate classes

              • 3 weeks ago
                Anonymous

                >they are separate classes
                they aren't.
                >There's a division between sauropsids (traditional reptiles + birds) and synapsids (mammals + extinct relatives)
                that only works if mammals split off before ALL OTHER reptiles.

                which is not known and almost certainly not true.

              • 3 weeks ago
                Anonymous

                Please provide an example of a reptile that's more basal than mammals are. That diagram the other anon posted is accurate.

              • 3 weeks ago
                Anonymous

                There's a division between sauropsids (traditional reptiles + birds) and synapsids (mammals + extinct relatives)
                gotta draw up lines somewhere, otherwise we're all fish

              • 3 weeks ago
                Anonymous

                >gotta draw up lines somewhere, otherwise we're all fish
                we literally are.
                Almost all of our bones are found in fish.

              • 3 weeks ago
                Anonymous

                so mammals are now fish too?

              • 3 weeks ago
                Anonymous

                You are a fish, you are a tunicate, you are a bacterium, you are carbon, you are the material from the big bang, you are God.

          • 3 weeks ago
            Anonymous

            https://i.imgur.com/FrTn0tr.png

            Pic related.

            >Mammals
            Mammals appeared during the Mesozoic. You're thinking of Synapsids, mayhaps?

            • 3 weeks ago
              Anonymous

              I mean, modern reptiles are the same. If we want to be like that.

  8. 3 weeks ago
    Anonymous

    Why can't dogs climb or grip branches with their limbs?

    • 3 weeks ago
      Anonymous

      those exist, they are called cats

      • 3 weeks ago
        Anonymous

        >Catgay immediately buts in due to his insecurities
        This is a dog world, my friend. Cats are only on borrowed time.
        Besides that, mustelids are closely related to dogs. More so than c*ts.
        There's my answer to you.

        • 3 weeks ago
          Anonymous

          Mustelids are better than dogs in every objective way don’t bring them up in the same breath please

          • 3 weeks ago
            Anonymous

            moron take

            • 3 weeks ago
              Anonymous

              seething coper

      • 3 weeks ago
        Anonymous

        >Meooow!! Fst fst!!! But we wuz the most adapted hunter on Earth! The top of the game baby! Meoooowr!!! Nooooo!!! fst fssst!!! Don't crunch my head with your powerful bite force!!!! Aieeeee my 3 minutes stamina are out I guess I'm prey now.

        • 3 weeks ago
          Anonymous

          Heh that's a funny looking skunk

      • 3 weeks ago
        Anonymous

        https://i.imgur.com/zRNCF9n.jpeg

        >Catgay immediately buts in due to his insecurities
        This is a dog world, my friend. Cats are only on borrowed time.
        Besides that, mustelids are closely related to dogs. More so than c*ts.
        There's my answer to you.

        [...]
        [...]
        >anon makes offhand cat comment
        >triggers the schizophrenics to come and shit everywhere
        Obsessed.

        Who are you quoting?

        Cat owners are linked to schizophrenia.

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