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What do recent fossil finds tell us about dinosaurs and whales?
Fossil discoveries in Morocco, Argentina, and the UK reveal new species and features of prehistoric animals. They show how dinosaurs and whales evolved over millions of years, highlighting their diversity and adaptations. These finds help scientists piece together ancient ecosystems and understand how these creatures interacted with their environment.
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How do these discoveries change our understanding of prehistoric ecosystems?
The fossils provide evidence of different species coexisting and competing in ancient habitats. For example, the discovery of Kostensuchus, a large predator in Argentina, shows the diversity of predatory strategies during the Cretaceous period. Such finds help reconstruct food chains and ecological dynamics from millions of years ago.
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What makes the new whale species Janjucetus dullardi important?
Janjucetus dullardi is a significant find because it offers clues about early whale evolution. Its features help scientists understand how whales transitioned from land to sea and how their bodies adapted over time. This species adds a crucial piece to the puzzle of marine mammal history.
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What are the unique features of the ancient ankylosaur Spicomellus?
Spicomellus is the oldest known ankylosaur, dating back around 165 million years. It had distinctive bony spikes and bizarre armor that may have served display purposes beyond defense. Its unique features help scientists understand how ankylosaurs evolved and adapted their armor over time.
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Why are fossil discoveries in regional sites like Morocco and the Isle of Wight so important?
Regional fossil sites provide a diverse record of prehistoric life, showing how species varied across different areas and time periods. These discoveries help fill gaps in the fossil record, offering a more complete picture of Earth's ancient biodiversity and evolutionary history.