EARTH SCIENCE
FOSSILS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Precambrian Eon
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Paleozoic Era
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Mesozoic Era
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Cenozoic Era
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Detailed explanation-1: -Whale bones petrified by calcite, sand dollars petrified by iron pyrite crystals, dinosaur eggs and even ancient dung preserved as stone have been found around the world.
Detailed explanation-2: -Paleontologists have recovered and studied the fossil remains of many thousands of organisms that lived in the past.
Detailed explanation-3: -Dinosaurs lived on all of the continents. At the beginning of the age of dinosaurs (during the Triassic Period, about 230 million years ago), the continents were arranged together as a single supercontinent called Pangea.
Detailed explanation-4: -End Ordovician (444 million years ago; mya) Late Devonian (360 mya) End Permian (250 mya) End Triassic (200 mya) – many people mistake this as the event that killed off the dinosaurs. End Cretaceous (65 mya) – the event that killed off the dinosaurs. 30-Nov-2022