News tagged with gymnosperms
Study provides insight into evolution of first flowers
(PhysOrg.com) -- Charles Darwin described the sudden origin of flowering plants about 130 million years ago as an abominable mystery, one that scientists have yet to solve.
May 18, 2009 |
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Search results for gymnosperms
Linear sequences for seed plants
Scientists have been working out the best way to arrange plant specimens in herbaria and other collections so that their order best reflects evolutionary relationships.
Dec 21, 2011 |
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Storing vertebrates in the cloud
What Google is attempting for books, the University of California, Berkeley, plans to do for the world's vertebrate specimens: store them in "the cloud."
Aug 24, 2011 |
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Landscape tree disease from 12 wood decay fungi studied
Landscape trees, valued for their aesthetic nature and their environmental benefits, are becomingly increasingly valuable in urban environments. A single mature tree can add considerable value to commercial and residential ...
Dec 30, 2010 |
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What 'pine' cones reveal about the evolution of flowers
(PhysOrg.com) -- From southern Africa's pineapple lily to Western Australia's swamp bottlebrush, flowering plants are everywhere. Also called angiosperms, they make up 90 percent of all land-based, plant ...
Dec 13, 2010 |
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New study shows over one-fifth of the world's plants are under threat of extinction
A global analysis of extinction risk for the world's plants, conducted by the Royal Botanic Gardens, Kew together with the Natural History Museum, London and the International Union for the Conservation of ...
Sep 29, 2010 |
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Arsenic hyperaccumulating ferns: How do they survive?
Arsenic is toxic to most forms of life, and occurs naturally in soil and ground water in many regions of the world. Chronic exposure to arsenic has been linked to lung, bladder and kidney cancer, and thus ...
Jun 08, 2010 |
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New Insects, Bacteria Uncovered in Dinosaur-Era Amber Deposit
A description of a 95-million-year-old amber deposit—the first major discovery of its kind from the African continent—is adding new fungus, insects, spiders, nematodes, and even bacteria to an ecosystem that ...
Apr 05, 2010 |
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Secrets in a seed: Clues into the evolution of the first flowers
Approximately 120-130 million years ago, one of the most significant events in the history of the Earth occurred: the first flowering plants, or angiosperms, arose. In the late 1800s, Darwin referred to their development ...
Sep 14, 2009 |
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Seeing the tree from the forest: Predicting the future of plant communities
The ability to envisage the future may be closer than you would think. A recent paper by Sean Hammond and Karl Niklas in the August 2009 issue of the American Journal of Botany presents an algorithm that m ...
Aug 21, 2009 |
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Darwin's mystery explained
The appearance of many species of flowering plants on Earth, and especially their relatively rapid dissemination during the Cretaceous (approximately 100 million years ago) can be attributed to their capacity to transform ...
Jul 14, 2009 |
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List of search results for gymnosperms
