This ancient plant might be even more ancient than paleobotanists once believed. By Kenneth Chang Before the first mammals, before dinosaurs roamed the Earth, a plant grew in Gondwana, a huge ...
- primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms ...
Before the first mammals, before dinosaurs roamed the Earth, a plant grew in Gondwana, a huge continent in the Southern Hemisphere. Almost 280 million years later, in what is now Brazil, scientists ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results