Tyrannosaurus Rex quiz
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Where did Tyrannosaurus Rex live during the Late Cretaceous period?
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More questions about Tyrannosaurus Rex
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What was the primary function of the heavy Tyrannosaurus Rex tail?
Answer: Balance
Why: With at least 40 tail vertebrae, it counterweighted the huge head and also anchored the caudofemoralis, the leg muscle that powered each stride.
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Which bird-like bone did T. rex have in its chest?
Answer: Wishbone
Why: Also called a furcula, this fused bone braced the dinosaur's shoulders against the forces of struggling prey.
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Which paleontologist argued that Tyrannosaurus Rex was mainly a scavenger?
Answer: Jack Horner
Why: Horner never published the idea in peer review, using it to teach audiences about assumptions; most experts now see T. rex as both hunter and scavenger.
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How did Tyrannosaurus rex bones turn into stone fossils over millions of years?
Answer: Mineral replacement
Why: Water seeping through rock deposits minerals like silica and calcite into bone pores, preserving their shape.
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What visual ability helped Tyrannosaurus Rex track moving prey?
Answer: Depth perception
Why: Kent Stevens measured the binocular field at about 55 degrees with scale skulls and a laser; that wide overlap also picks out still, camouflaged prey.
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What was the largest dinosaur living alongside T. rex?
Answer: Alamosaurus
Why: Alamosaurus grew up to 30 meters long, dwarfing every other dinosaur sharing T. rex's North American habitat.
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