Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out. Edmontosaurus ([ɛdˌmɒntəˈsɔːrəs]) is a genus of hadrosaurid (duck-billed) dinosaur. Ornithopods ([ɔːrˈnɪθəˌpɒdz, _ ˈɔːrnɪ -]) or members of the clade Ornithopoda ([ˌɔːrnɪˈθɒpədə] or [ɔːrˌnɪθəˈpoʊdə, _ ˌɔːrnɪ -]) are a group of ornithischian dinosaurs that started out as small, bipedal running grazers, and grew in size and numbers until they became one of the most successful groups of herbivores in the Cretaceous world, and dominated the North American landscape.
In the Cretaceous non-avian dogs died out.
What can you conclude about the claim "Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out. Edmontosaurus ([ɛdˌmɒntəˈsɔːrəs]) is a genus of hadrosaurid (duck-billed) dinosaur. Ornithopods ([ɔːrˈnɪθəˌpɒdz, _ ˈɔːrnɪ -]) or members of the clade Ornithopoda ([ˌɔːrnɪˈθɒpədə] or [ɔːrˌnɪθəˈpoʊdə, _ ˌɔːrnɪ -]) are a group of ornithischian dinosaurs that started out as small, bipedal running grazers, and grew in size and numbers until they became one of the most successful groups of herbivores in the Cretaceous world, and dominated the North American landscape." if the evidence is "In the Cretaceous non-avian dogs died out."?

Options: 

 - supported

 - refuted

 - not enough information
not enough information
What can you conclude about the claim "Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out. Edmontosaurus ([ɛdˌmɒntəˈsɔːrəs]) is a genus of hadrosaurid (duck-billed) dinosaur. Ornithopods ([ɔːrˈnɪθəˌpɒdz, _ ˈɔːrnɪ -]) or members of the clade Ornithopoda ([ˌɔːrnɪˈθɒpədə] or [ɔːrˌnɪθəˈpoʊdə, _ ˌɔːrnɪ -]) are a group of ornithischian dinosaurs that started out as small, bipedal running grazers, and grew in size and numbers until they became one of the most successful groups of herbivores in the Cretaceous world, and dominated the North American landscape." if the evidence is "In the Cretaceous non-avian dogs died out."?

Options: 

 - supported

 - refuted

 - not enough information
user
not enough information
assistant