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Author
Series
Language
English
Description
Explains the changing views of dinosaur development, the evolutionary and ecological relationships among dinosaurs, what it might have been like in the Mesozoic era, and the question of what ultimately brought about the total extinction of all non-bird dinosaurs and the end of the Cretaceous Period.
Author
Series
Language
English
Description
In this series of lectures, renowned ornithologist John Kricher presents an absorbing analysis of the diverse ecosystems that exist on planet Earth. He provides a factual study of the many fragile and threatened portions of our biosphere while describing the interaction between each system and the effect of man's presence.
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