In this course, Wheaton College professor John Kricher provides a history of the discovery of dinosaurs, and he discusses the timeline and variations of dinosaurs, including their ultimate demise...
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Auteur: Kricher, John C.Sommaire: -
Auteur: Kricher, John C.Sommaire:
Wheaton College professor 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...
Genre: Math and science -
Auteur: Kricher, John C.Sommaire:
Professor John Kricher leads a discussion of the approximately 10,000 species of birds that share our world, expanding on such topics as bird anatomy, the mechanics of flight, migration,...
Genre: Pets and animals