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Stories about: fern

8 Things You Did Not Know About Ferns 1.The first ferns appeared 350 million years ago. They form a plant group called Pteridophyta. These are the first superior plants, having a cuticle impermeable to water, roots and an inner tissue specialized for transporting water and nutrients between the water absorbing organs (roots) and food producing ones (lea... 11 January 2008 08:29 GMT World's Oldest Rainforest A rainforest represents an explosion of life, the peak of biological diversity on Earth. But the trees that make the current rainforest appeared for the first time during the Cretaceous, at the sunset of the dinosaur realm. So, when did the first rainforest appear? And how did it look like?Now a British-American te... 23 April 2007 05:19 GMT World's Oldest Forest When did the trademark of Robin Hood appear?And how did the first woods look like? Scientists have now found complete fossils of the world's oldest forest, during the Devonian era, 385 million years ago. But this forest may have looked like young palm trees as it was made of slender trees about three stories ta... 19 April 2007 03:11 GMT