Was T.rex a scavenger?
Never in History
Side Score: 7
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It was so
Side Score: 6
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This is impossible! We all know that T. Rex's Vision is entirely based on movement! But then, the dead bodies cannot move! and in this case they must have starved to death right after their coming to the earth! OR Are you trying to suggest that dead bodies did move in those days? Side: Never in History
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First off, J-Park's consulting palentologist Jack Horner said that T. Rex's vision might have been based on movement. Not that it definetely was so, but that it was possible and consistent with what we know of like animals. We don't know for sure how a Rex's eyes worked, because the eyes, brain, and optic nerves are all soft tissues that don't fossilize, and so we have no Rex eyes to study. But the issue of vision is not decisive, because we do know for certain from the size and shape of the Rex skull that the Rex had a far better sense of smell than it did vision. (Remember also from J-Park that the only animal in all of history with a proportionately larger and more developed olfactory center than the Rex is the turkey vulture.) And while dead things don't move, they do stink. Horner himself went on to say in Discovery's Walking With (and this is not quite verbatim but close): "Here we have an animal whose center of gravity is six feet off the ground, who can't run particularly fast and can't grab with its arms, and who has one of the best senses of smell in the fossil record. What would be the most likely way for it to get its food? I would say, being a scavenger." Side: It was so
Well, if that was a scavenger, then it must have had a little less sharper teeth! And what about its head size and agile movements- around 32mph! That is a great speed of course! IF that was a scavenger, then it must possibly be not needing such a big body and ferocious skull! Side: Never in History
We actually don't know how fast a T. Rex could move. Various palentologists have suggested speeds ranging from as low as 11 mph up to 30 mph. Horner thinks they were slow movers, based on both the Rex's leg proportions and the fact that if it toppled over while running (not unlikely given its high center of gravity) it would break a bunch of bones and probably die. The running speed of T. Rex has been mathematically modeled and, based on the assumption that Rex weighed 6-8 tons, it could not have physically moved faster than 18 mph. Other palentologists argue, based on the femur length, that T. Rex had a walking speed of 12-15 mph. The debate now is on the Rex's weight, as if it was (as some palentologists think) more like a 4-ton animal than a 6- or 8-ton animal, it could have moved a bit faster. Current estimates of its running speed range from about 12 mph to 25 mph. And, it wasn't really very agile, either. Its center of gravity was six feet off the ground, its arms puny, its weight considerable by any estimation, and its legs bulky. This was not an animal that jumped or made quick turns because again, (1) its body wasn't capable of doing that, and (2) if it fell over it would quite possibly die due to shattered bones and internal injuries. The shape of T. Rex's teeth don't go to show anything other than that it was a carnivore, and that is not in any dispute. Sharp teeth are useful to meat-eaters, whether the meat is alive or dead. That's why we have steak-knives instead of butter-knives for cutting meat. Big head size is good for eating great big mouthfuls of flesh, also generally helpful if you are a large carnivore no matter whether you scavenge or you hunt. Again, that shows nothing other than that Rex was a carnivore, and we knew that. Given that T. Rex had both traits that would assist a predator (e.g., binocular vision) and traits that would assist a scavenger (e.g., a terrific sense of smell), it seems logical to think that T. Rex was probably an opportunistic feeder -- it hunted if it had to or if prey was readily available, and scavenged when it found a fairly fresh carcass. But we can't tell for sure, based only on its bones, exactly how it fed. Side: It was so
yes he was 'coz he is a mean lazy creature who just wants everybodys ass. so he sucks! i know that. he was a complete scum. it had no balls so he was not he but a she. ha ha ha dont laugh im serious, a she cant have balls, but still we say it she so it becomes a he-she!. this one is good Side: It was so
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