What scientific method uses the decay of radioactive isotopes to determine the absolute age of rocks and fossils?
What group of flying reptiles, often mistaken for dinosaurs, soared through the Mesozoic skies on leathery wings?
What kind of fossil evidence provides direct proof of dinosaur locomotion, such as walking or running patterns?
What genus of extinct feathered dinosaur, known from the Late Jurassic Solnhofen Limestone, is considered a crucial transitional fossil between dinosaurs and birds?
The saber-toothed cat, *Smilodon fatalis*, known for its enormous canine teeth, roamed North and South America primarily during which geological epoch?
What is typically required for an organism to become a fossil, often preventing decomposition?
Which group of large, sail-backed synapsids, often mistaken for dinosaurs, were dominant predators during the Permian Period, long before the first dinosaurs appeared?
The 'Siberian Traps' are a vast region of volcanic rock formations in Siberia thought to be a primary contributor to which major extinction event?
The study of fossilized plant remains, including ancient spores and pollen, falls under which specialized branch of paleontology?
Which group of highly aquatic marine reptiles from the Mesozoic Era possessed a dolphin-like body shape, large eyes, and gave live birth in the open ocean?