Sentences with phrase «fossil plant stem»
A 400 - million - year - old fossil plant stem from Aberdeenshire, Scotland.
http://www.newsweek.com/ Not exact matches
Those shifts most likely stem from the copious quantities of carbon dioxide spewed by fossil fuel — fired power plants that are changing the climate and, thus, the tiny plants known as phytoplankton that serve as the base of the oceanic food chain.
This image shows a cross section through the stem of the fossil fern, revealing the central cylinder that connects the roots with the rest of the plant.