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What bird has the biggest wing span?
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Zoology
Why is Archaeopteryx important?
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Zoology
1. What accounts for the different colors of bird feathers? 2. How are birds related to dinosaurs?
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Zoology
Are tortoises and terrapins the same as turtles?
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Zoology
1. What is the most successful and diverse group of terrestrial vertebrates? 2. Are tortoises and terrapins the same as turtles?
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Zoology
1. Why did dinosaurs become extinct? 2. Did dinosaurs and humans ever coexist?
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Zoology
Did dinosaurs and humans ever coexist?
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Zoology
What was the typical life span of dinosaurs?
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Zoology
