what is the most dangerus dinosaur
Spinosaurus
why do scientists study fossils
Studying dinosaurs allows us to study the evolution from start to finish of animals that were at the top of all land ecosystems for 160m years, as mammals are today. By comparison, when studying living animals we see only a snapshot of the existence of their life on earth.
what was the weakest dinosaur
indominus rex.
what would happen if dinosaurs didn't go extinct
If dinosaurs didn't go extinct, mammals probably would've remained in the shadows, as they had been for over a hundred million years," says Brusatte. ... Gulick suggests the asteroid may have caused less of an extinction had it hit a different part of the planet.
what was the first dino discovered
Megalosaurus
what do scientists think caused dinosaurs to go extinct
The Cretaceous-Tertiary extinction event, or the K-T event, is the name given to the die-off of the dinosaurs and other species that took place some 65.5 million years ago. ... This suggests that a comet, asteroid or meteor impact event may have caused the extinction of the dinosaurs.
when did dinosaurs go extinct
about 65 million years ago
do dinosaurs still live today?
Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period.
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why do scientists study fossils
Some animals and plant are only known to us as fossils. By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other. Often we can work out how and where they lived, and use this information to find out about ancient environments.
what was the last dinosaur to live
African T. rex
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what was the first dinosaur to go extinct
Tyrannosaurus