Did T. rex have small brain?

Although the ratio of brain size to body mass was very small for T. rex, it was larger than most other dinosaurs. T. rex's brain was larger than the human brain, but the cerebrum (the part of the brain that we use to think) was tiny.
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Did T. rex have a large brain?

An adult Tyrannosaurus rex had a brain that weighed approximately 1 kilogramme, about half of the size of an adult humans but that does not mean that T. rex was half as smart as we are – the size of the body and the arrangement of the functions in the brain have to be considered.
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What dinosaur had the smallest brain?

Stegosaurus: the dinosaur with the smallest brain.
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Why did Tyrannosaurus rex have big brains?

For example this brain from the sauropod Ampelosaurus (Links to an external site.) is just about the size of a walnut (shown for comparison). This makes sense since T-Rex's were carnivores and carnivores tend to have bigger brains that allow them to hunt.
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How intelligent is the T. rex?

rex. By calculating the ratio of brain size to body size as a measure of intelligence (modern day animal scientists use this ratio as an approximation), we can infer that the T. rex about matches a chimp on smarts, and was quite a bit keener than a pet cat or dog.
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Why Did T.rex Have Small Arms?



Who is the smartest dinosaur?

Troodon had a large brain for its relatively small size and was probably among the smartest dinosaurs. Its brain is proportionally larger than those found in living reptiles, so the animal may have been as intelligent as modern birds, which are more similar in brain size.
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Did dinosaurs have tiny brains?

While the dinosaurs grew bigger, their brains didn't keep up. By the time the sauropods, like brontosaurus, reached 100 tons and 110 feet long, their brains were only the size of tennis balls.
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What was the least intelligent dinosaur?

Because of this incredibly disproportionate brain to body ratio, Stegosaurus has historically been known as the dumbest dinosaur, a fact that was seemingly backed up by a proposed “second brain” located around the animal's hip.
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Which dinosaur had the largest brain?

Troodontids (formerly Saurornithoidids) were remarkable in having the largest brain-to-body size ratio of all non-avian dinosaurs, possibly making them the most intelligent dinosaurs on a level with the smartest birds.
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Why did T. rex have small arms?

According to a recent study, scientists believe the reason that the iconic T. rex had such short arms was to protect them during feeding frenzies on carcasses. The latest theory is that the predator's arms shrank to their tiny size to prevent accidental or intentional amputation when a pack of T.
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How big is the brain of a sperm whale?

The sperm whale has the biggest brain of any animal species, weighing up to 20 pounds (7 to 9 kilograms). Larger brains don't necessarily make a smarter mammal.
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Which dinosaurs were intelligent?

The smartest ones are usually thought to be the troodons, bird-like dinosaurs from the late Cretaceous period. They fit many of the requirements we usually look for in a technologically advanced species. Not only were they intelligent (based on the size of their brains), but they were very social.
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Who won the bone Wars?

Judging by pure numbers, Marsh "won" the Bone Wars. Both scientists made finds of immense scientific value, but while Cope discovered a total of 56 new dinosaur species, Marsh discovered 80. In the later stages of the Bone Wars, Marsh simply had more men and money at his disposal than Cope.
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Why is the Stegosaurus the dumbest dinosaur?

Stegosaurus is often called the dumbest dinosaur because of its incredibly small brain. Most scientists originally believed that its brain was too small to control such a large creature and that it used an auxiliary "brain" located above its rear legs to help control its movements.
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Would dinosaurs be intelligent?

Jurassic Park taught us that the T. Rex wasn't necessarily the most clever creature, but there are a number of reasons they didn't adapt to become smarter. They did! Dinosaurs evolved into modern birds and some of them are extremely intelligent.
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Can at Rex hear?

rex's unique abilities was its hypersensitive hearing. A bone in its inner ear, the cochlea, was remarkably long. And in animals alive today, that specialization is associated with the ability to hear low frequency sounds well.
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Did dinosaurs have 2 Hearts?

There's no evidence that dinosaurs of any sort had bizarre accessory hearts, but the idea has still played a small role in the ongoing investigation into how giant dinosaurs actually lived. To start, we have to go back to ancient bones and the ways in which paleontologists put them together.
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Do any animals have 2 brains?

Octopus. The octopus has 9 brains, one for each tentacle and one at the head. The main brain resides at the head while the other brains are interconnected as fused ganglia, with each brain having its own set of neurons. With more than 500 million neurons, only 30 percent of them are located at its main brain.
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How big is a dog's brain?

A dog's brain is about the size of a tangerine. That means it doesn't have as many folds as the human brain or the capacity for higher thinking. The human brain-to-body ratio is 1:40. In dogs, it is 1:125 across all breeds, according to a study published in the Intelligence issue of Popular Science.
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What is the ugliest dinosaur?

The 10 Ugliest Dinosaurs
  • of 10. Hippodraco. Lukas Panzarin. ...
  • of 10. Isisaurus. Dmitri Bogdanov. ...
  • of 10. Jeyawati. Lukas Panzarin. ...
  • of 10. Masiakasaurus. Lukas Panzarin. ...
  • of 10. Nigersaurus. Australian Museum. ...
  • of 10. Pegomastax. Pegomastax (Tyler Keillor). ...
  • of 10. Suzhousaurus. Wikimedia Commons. ...
  • of 10. Tianyulong. Nobu Tamura.
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What was the deadliest dinosaur?

Tyrannosaurus rex

The “king of the tyrant lizards” will always be one of the scariest and deadliest dinosaurs around with a bite force three times that of a great white shark - making it the strongest bite force of any land animal that has ever lived.
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Which dinosaur is the strongest?

Tyrannosaurus, meaning "tyrant lizard", from the Ancient Greek tyrannos, "tyrant", and sauros, "lizard" is a genus of coelurosaurian theropod dinosaur. It also had a tremendous bite force, the strongest of any dinosaur and living terrestrial animal. Its bite force reached up to 12,800 pounds.
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How heavy is a human brain?

The adult human brain is about 2% of total body weight. Men listen with the left side of the brain and women use both sides of the brain. The average human brain weighs about 3 pounds.
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How big is the brain of an elephant?

Elephants have many engaging features, from their incredibly dexterous trunks to their memory abilities and complex social lives. But there is much less discussion of their brains, even though it stands to reason that such a large animal has a pretty big brain (about 12 pounds).
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