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FORMAL PRESENTATION
Joey Cardinale
Created on September 29, 2024
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Transcript
Joseph Cardinale
. References Smithsonian Institution: Cretaceous Period. Retrieved from https://www.si.edu. National Geographic: The Cretaceous Period. Retrieved from https://www.nationalgeographic.com.
- Interesting Facts
- The Late Cretaceous saw the rise of modern plant groups, including flowering plants.
- Giant ammonites, a type of mollusk, thrived in the oceans.
- Some dinosaurs, especially theropods, are ancestors of modern birds.
- Continental drift created many islands, affecting species evolution.
A key event was the Cretaceous-Paleogene (K-Pg) extinction. This occurred around 66 million years ago due to an asteroid impact in Mexico and volcanic activity in India. It led to the extinction of about 75% of species, including all non-avian dinosaurs. ragraph is ready to be filled with incredible creativity, experiences, and stories.
The Late Cretaceous Period
2. World Overview Climate and Atmosphere: The Late Cretaceous had a warm climate with high sea levels. There was little ice, and carbon dioxide levels were elevated. Organisms: Dinosaurs like Tyrannosaurus rex and Triceratops dominated the land. Marine reptiles such as mosasaurs thrived in the oceans, while pterosaurs flew overhead. Flowering plants began to appear, increasing biodiversity.