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Article: Study picks new site for dinosaur nostrils.(claim that dinosaur nostrils appeared at the end of the snout)(Brief Article)
- Article from:
- Science News
- Article date:
- August 4, 2001
- Author:
CopyrightCOPYRIGHT 2001 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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An innovative analysis of fossils and living animals suggests that most dinosaurs' nostrils occurred at locations toward the tip of their snout rather than farther up on their face.
Precisely where a dinosaur's nostrils were located on its head has implications beyond building models for theme parks and movies. The size and shape of air passages through an animal's nose affect many aspects of its physiology, including how well it breathes, smells, and regulates its body temperature, says Lawrence M. Witmer, an evolutionary biologist at Ohio University in Athens.
The bony opening behind an animal's nose is often much larger than the nostrils. Although ...
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