Dive into the Mesozoic Era

<p>Birds</p> Signup and view all the answers

<p>Over 10,700</p> Signup and view all the answers

<p>Triassic period = First appearance of dinosaurs Triassic–Jurassic extinction event = Dinosaurs became the dominant terrestrial vertebrates Late Jurassic epoch = Evolution of birds from theropods Cretaceous–Paleogene extinction event = Survival of only avian dinosaurs</p> Signup and view all the answers

<p>Avian dinosaurs = Survived the Cretaceous–Paleogene extinction event Non-avian dinosaurs = All extinct Birds = Over 10,700 living species</p> Signup and view all the answers

<p>Dinosauria = A clade that dinosaurs belong to Theropods = The group from which birds evolved Cretaceous–Paleogene extinction event = Event after which only avian dinosaurs survived</p> Signup and view all the answers

<p>Birds = Only dinosaur lineage known to have survived the Cretaceous–Paleogene extinction event Theropods = Earlier group from which birds evolved Triassic period = Period during which dinosaurs first appeared Cretaceous–Paleogene extinction event = Event that caused the extinction of all dinosaur lineages except birds</p> Signup and view all the answers

<p>Avian dinosaurs = Birds Non-avian dinosaurs = All dinosaurs other than birds Birds = Most diverse group of vertebrates with over 10,700 living species</p> Signup and view all the answers