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Nobody really knows how dinosaurs got extinct.
A meteorite, a volcanic eruption or a change in the weather that could have caused disease ect.
We cannot say for sure, since there were no people around to take notes. One widely held theory was that the Earth was struck by a comet/ large meteor, resulting in a dramatic weather change- and that most dinosaurs could not adapt to the change.
mexaco
Well it is hypothesized that dinosaurs went extinct because a huge meteor crashed down to Earth. This meteor caused such a huge impact that it sent dust and particles of the Earth to go flying, reflecting and blocking the sun's rays. This caused the climate to go way down and the food source for the dinosaurs must have died because of the new climate. Thus, the dinosaurs didn't have anymore food and died of hunger
The snow leopard is not extinct, it is on the list of endangered species, but not extinct.
Overfishing
an asteroid hitting the earth, drought, volcanoes, disease, or rising sea levels
crocodiles lived because they lived in water and crocodiles had amour plates on it's back
First of all, dinosaurs are extinct. Approximatively 65 million years ago, the dinosaurs became extinct by what most people believe was a large meteorite which hit Earth and caused an Ice Age. Ash and dust covered the sun causing the Ice Age. Secondly, dinosaurs did not eat chocolate (chocolate was not in that time period) They ate other dinosaurs and plants depending on if they were carnivorous or herbivorous.
An ant came and smashed all of the eoraptors
Because of the ice age melting it caused the wolly mammiths to become extinct and many other animals.