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The top documents tagged [primitive lungs]
Technology
Group 5 amphibia
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Education
Mollusca Notes
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Section 12.3 Amphibians. Evolution of Amphibians About 350 million years ago a lineage of lobe-finned fish were the first vertebrates to make the transition
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Osteichthyes By: Ashley Burgess and Brandon Rose
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Chapter 12 Life of the Paleozoic. Paleozoic overview
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Vertebrate Evolution Where did we really come from? Miss Augulewicz
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