Flora Library
Search for carboniferous period host:waynesword.palomar.edu
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carboniferous period host:waynesword.palomar.edu
Listing 1 - 2 from 2 for carboniferous period
changed very little ginkgo biloba fixing bacteria ginkgo beckii leaf imprints carboniferous period water surface fan shaped leaves spore bearing seed plants water fern flowering plants plant groups cell structure filamentous green algae bearing plants
Azolla and Anaebaena Symbiosis
... crevices. Fossil evidence indicates that many additional species of ferns flourished on earth during the Carboniferous period, some 300 million years ago. But of all the great diversity of ferns, relatively few ...
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LIVING FOSSILS AT PALOMAR COLLEGE
... the forest understory. Some of these ancient plant groups were even more abundant in the Carboniferous Period (300 million years ago), long before the time of dinosaurs. The majority of recognizable plant ... , one hypothesis to explain the demise of dinosaur populations by the end of the Cretaceous Period (65 million years ago) is that slow-growing primitive seed plants could not keep up ...
waynesword.palomar.edu