Where there people in the cretaceous time?

1. Who lived in the Cretaceous period?
2. What percent of life died in the Cretaceous period?
3. What was happening during the Cretaceous period?
4. What sauropods lived in the Cretaceous period?
5. Where was Antarctica during the Cretaceous period?
6. Who survived the Cretaceous extinction?
7. Did T rex live in the Cretaceous period?
8. What makes the Cretaceous period unique?
9. What does Cretaceous mean?
10. Did T Rex eat sauropods?
11. Where does velociraptor live?
12. Did sauropods live in the water?

Who lived in the Cretaceous period?

The lengthy Cretaceous Period constitutes a major portion of the interval between ancient life-forms and those that dominate Earth today. Dinosaurs were the dominant group of land animals, especially “duck-billed” dinosaurs (hadrosaurs), such as Shantungosaurus, and horned forms, such as Triceratops.

What percent of life died in the Cretaceous period?

The extinction that occurred 65 million years ago wiped out some 50 percent of plants and animals. The event is so striking that it signals a major turning point in Earth's history, marking the end of the geologic period known as the Cretaceous and the beginning of the Tertiary period.

What was happening during the Cretaceous period?

During the Cretaceous, accelerated plate collision caused mountains to build along the western margin of North America. As these mountains were rising, the Gulf of Mexico basin subsided, and seawater began to spread northward into the expanding western interior. Marine water also began to flood from the Arctic region.

What sauropods lived in the Cretaceous period?

The basal Eusauropoda, whose members still retained some primitive characteristics, lived from the Early Jurassic to the Late Jurassic and are known from more than nine genera, including Shunosaurus (Middle Jurassic, China); Barapasaurus (Middle Jurassic, India); Patagosaurus (Middle Jurassic, Argentina); Turiasaurus ( ...

Where was Antarctica during the Cretaceous period?

The South Polar region of the Cretaceous comprised the continent of East Gondwana–modern day Australia and Antarctica–a product of the break-up of Gondwana.

Who survived the Cretaceous extinction?

Birds: Birds are the only dinosaurs to survive the mass extinction event 65 million years ago. Frogs & Salamanders: These seemingly delicate amphibians survived the extinction that wiped out larger animals. Lizards: These reptiles, distant relatives of dinosaurs, survived the extinction.

Did T rex live in the Cretaceous period?

T. rex lived at the very end of the Late Cretaceous, which was about 90 to 66 million years ago.

What makes the Cretaceous period unique?

The Cretaceous was a period with a relatively warm climate, resulting in high eustatic sea levels that created numerous shallow inland seas. These oceans and seas were populated with now-extinct marine reptiles, ammonites, and rudists, while dinosaurs continued to dominate on land.

What does Cretaceous mean?

: of, relating to, or being the last period of the Mesozoic era characterized by continued dominance of reptiles, emergent dominance of angiosperms, diversification of mammals, and the extinction of many types of organisms at the close of the period also : of, relating to, or being the corresponding system of rocks — ...

Did T Rex eat sauropods?

Tyrannosaurus almost certainly preyed on titanic sauropods. ... Even though sauropods were the dominant herbivores in North America during the Late Jurassic, and though various forms persisted through the Early Cretaceous, the entire group vanished from the continent about 100 million years ago.

Where does velociraptor live?

Velociraptor, (genus Velociraptor), sickle-clawed dinosaur that flourished in central and eastern Asia during the Late Cretaceous Period (99 million to 65 million years ago). It is closely related to the North American Deinonychus of the Early Cretaceous in that both reptiles were dromaeosaurs.

Did sauropods live in the water?

Sauropods were wholly terrestrial creatures. ... Rather than take the line that all sauropods were skilled swimmers, paleontologists identified at least one Jurassic sauropod that probably spent more time on land.