Paleontologists may be on the verge of solving one of the great mysteries in the history of life on our planet – the origin of angiosperms, the flowering plants. The importance of angiosperms cannot ...
Fossils of angiosperms first appear in the fossil record about 140 million years ago. Based on the material in which these fossils are deposited, early angiosperms must have been weedy, fast-growing ...
The discovery of exceptionally well-preserved, tiny fossil seeds dating back to the Early Cretaceous corroborates that flowering plants were small opportunistic colonizers at that time, according to a ...
Incompatibility is a common means of controlling breeding behaviour among plants, and has been an important factor in evolution. It acts to prevent self-fertilization, as well as to prevent ...
When you see a plant, it's likely that nine out of 10 times you will be looking at a flowering plant. Flowering plant families first emerged at least 140 million years ago But they didn't diversify ...
The centerpiece of the Swedish Museum of Natural History, in Stockholm, is probably the Fossils and Evolution hall, in which an enormous Tyrannosaurus rex skeleton seems to yawn over crowds of ...
This is a preview. Log in through your library . Abstract Genome size varies extensively across the flowering plants, which has stimulated speculation regarding the ancestral genome size of these ...
In the summer of 1973 sunflowers appeared in my father's vegetable garden. They seemed to sprout overnight in a few rows he had lent that year to new neighbors from California. Only six years old at ...