These animals have evolved elaborate ways of protecting the brain’s delicate neural circuitry from overheating. However, if you do that to a bipedal ape, because the exposure to solar radiation is so much less, it helps the ape lose more heat. So what makes us think megalodon could still be alive today? And bipedalism and naked skin together, he says, probably allowed us to evolve our oversize brains. Among the apes, apart from humans, gibbons and siamangs are bipedal when on the ground but they spend most of the time in trees where they use their arms for brachiating. Trouble Sleeping in New Places? This bone shows the structure of the femur of an upright walker or bipedal animal. Megalodon went extinct millions of years ago, probably due to changing global climate conditions, increased competition for a dwindling food supply, or a combination of both. So it has been deduced that bipedal dinosaurs possessed more stamina and could run for longer than many of today's reptiles. Bigger than most predators today. There is lots of evidence that many of these creatures still exist. These tales have been told as long as men have gone to sea. Many stand upright without supporting their body weight by their arms, and some, especially the apes, actually walk upright for short In appearance, they resemble rodents. cryptid (author) from USA on November 09, 2013: Thanks mythbuster! I believe that megalodons still exists,but I believe more in the plesiosaurs because I heard that a book about a lochness monster in the 1500’s,1600’s and 1700’s.So,that’s what makes me believe me more in the plesiosaurs. Did ancestors of Gigatopithecus come across too, and do they live on in the forests of North America as the Sasquatch? Increased speed can be ruled out immediately because humans are not very fast runners. In the case of humans it accounts for something like 20 percent of total energy consumption. :-) i think its totally awesome :-). As much as we like to think we have every corner of our planet mapped and cataloged, there are still dark places where few people go. Massive Craters in Siberia Are Exploding Into Existence. The release was so spectacular that Science is giving away this … The order Primates possesses some degree of bipedal ability. Plesiosaurs mostly ate fish, but some of the bigger ones would have dined on larger aquatic animals and may have even plucked a dinosaur from the shore now and then. Whales. It sounds cliché, but almost anything could still be out there. There are cave drawings and ancient art depicting dinosaurs. The animals may have been attracted by a watering hole that once lay nearby. There is no evidence, but we can still look for the Megalodon itself. The ball joint, the part that joins the pelvis, sits directly over the outside of the knee. However, many early hominins (i.e . The tracks it left behind indicate it was a relative of today’s crocodiles. A very early stem species believed to have been ancestral to crocodilians called Poposaurus gracilis, which lived and ate other animals a quarter-billion years ago (in the late Triassic) in what is today the United States – may also have been “a fleet-footed, obligately erect-postured, striding biped,” scientists reported in 2011. Conflict Between The Multiple Theories Of Bipedalism 2156 Words | 9 Pages. Learn more. Megatherium’s claws were so huge that researchers think it probably walked on its knuckles, with the claws out to the side. These animals have evolved elaborate ways of protecting the brain’s delicate neural circuitry from overheating. But there is another part of this research that includes animals we know once roamed our planet, but we now believe to be extinct. All birds are bipedal. The deep sea, forbidding jungles and dense forests remain difficult places to explore. Still, it seems insane to think a few species of dinosaur may have escaped extinction, and somehow survived the event that killed off their kind as well as anything else larger than a badger. Or did it? We always think of body hair as keeping heat in, but it also keeps heat out. What did it eat? capabilities, but are still usually quadrupeds. Or re-discover. Of this family only the bettongs are bipedal, ambulating with a hoping motion similar to their wallaby relatives. Such a posture, says Wheeler, greatly reduces the amount of the body’s surface area that is directly exposed to the intense midday sun. Back before we ever started putting bones together. Keeps you guessing. Not long ago most would have argued that our upright stance evolved as part of a feedback loop that helped free our hands to use tools. Thousands of years ago, in Asia, there lived a massive ape called Gigantopithecus Blacki. ... and they included animals that resembled some dinosaurs by walking on two legs. In the field of cryptozoology, researchers study rare animals that are not yet proven to exist by modern science. If you take the fleece off a sheep and stand the animal out in the desert in the outback of Australia, the sheep will end up gaining more heat than you’re helping it to dissipate. By Discott (Own work) [CC BY-SA 3.0], via Wikimedia Commons. Today, we look at the most fundamental human characteristic: walking upright. Plesiosaurs were marine reptiles that lived during the time of the dinosaurs. But there are those who think some plesiosaurs are still with us, and they have plenty of reasons to say so. cryptid (author) from USA on November 26, 2014: Lela from Somewhere near the heart of Texas on November 25, 2014: Wow! This is called a Lazarus Taxon when a species is considered extinct because it has vanished from the fossil record but then appears again much later. We MUST find out the secret behind the Megalodon, whether extinct or not. Once we’d become bipedal and naked and achieved this ability to dump heat, that may have allowed the expansion of the brain that took place later in human evolution. Megatherium was a slow-moving herbivore, so humans likely had little to fear, but putting yourself within reach if its massive claws would have surely been a bad idea. Their ancestors were the complete opposite. Hence the “backward-facing feet”. Wheeler mounted a camera on an overhead track and moved it in a semicircular arc above the model, mimicking the daily path of the sun. cryptid (author) from USA on October 03, 2014: Thanks Anthony! Bipedalism, a major type of locomotion, involving movement on two feet. Do lake monster sightings around the world mean plesiosaurs are still alive today? Does this mean there is still a relic population of Megalodon somewhere in the deepest parts of the ocean? If something like a dinosaur still lives somewhere in the world, remote parts of Africa would be a good place for them to stay hidden. Carrie Lee Night from Northeast United States on August 03, 2014: Voted awesome ! The bottom line, says Wheeler, is that on a typical savanna day, a knuckle- walking chimp-size hominid would require something in the region of five pints of water a day. If Giganto began to evolve while still in Asia it may have become bipedal (if it wasn’t already) and more human-like, and now exists as what we call the Yeti. In my personal opinion, there is a very high chance that some undiscovered creatures that are predicted extinct are STILL out there. This monster is said to stand ten feet tall or better, have enormous backward-facing claws, and a mouth on its belly. I wouldn't be assume with would be land dinosaurs still roaming, but I do believe that there could be any species of Megalodon. It is also known as the Bering Land Bridge. Reconstruction by Bashford Dean in 1909 [Public domain], via Wikimedia Commons. Among the apes, our ancestors are the only ones that managed the switch; no other ape today lives on the savanna full-time. While carnivorous dinosaurs (theropods) remained bipedal … Gigantopithecus Blacki died off long ago and, while it would have encountered some of our relatives, it did not live in Asia around the time modern humans moved in. Early hominids may have stood up and gotten naked as a way to cope with heat stress on the sere African savanna. The ones we are most familiar with are the long-necked, big-bodied animals with the flippers. The Rufous rat-kangaroo is another bipedal species also called a rufous bettong but in a separate genus. The world is such a large place with so many dark corners, it's fun to think about what types of undiscovered creatures might be out there. It is easier for the meg to be alive due to the reason that we have only explored 5% of the ocean and that the ocean is so deep. Scientists have been studying one particular Ardipithecus ramidus skeleton, almost complete, for 17 years, and today they released their findings. Most savanna animals, says Wheeler, cope with the heat by simply letting their body temperature rise during the day, rather than waste scarce water by sweating. Today (Oct. 2, 2009) everything changed. But might there be some really interesting beasts out there, still hanging around after all these years? Today, sloths are tree-climbing, slow, and non-threatening animals that reside in the Amazon. It lives in the river, eats plants, and becomes very aggressive if approached. This sounds a lot like a sauropod dinosaur. Animals that walk upright on two legs either some the time or all the time have several advantages over those who do not. 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