News tagged with gymnosperms


Study provides insight into evolution of first flowers

Study provides insight into evolution of first flowers

Biology / Evolution

created May 18, 2009 | popularity 4.3 / 5 (10) | comments 0

(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.





Search results for gymnosperms


Darwin's mystery explained

Biology / Evolution

created Jul 14, 2009 | popularity 4 / 5 (9) | comments 15

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 ...


At long last, how plants make eggs

At Long Last, How Plants Make Eggs

Biology / Plants & Animals

created Jun 04, 2009 | popularity 4.9 / 5 (8) | comments 3

(PhysOrg.com) -- A long-standing mystery surrounding a fundamental process in plant biology has been solved by a team of scientists at the University of California, Davis.


The Amborella plant. (Photo by Tom Lemieux)

Novel Structure In South Pacific Plant May Be 'Missing Link' In Evolution Of Flowering Plants

Biology /

created May 17, 2006 | popularity 5 / 5 (7) | comments 0

A new University of Colorado at Boulder study involving a "living fossil plant" that has survived on Earth for 130 million years suggests its novel reproductive structure may be a "missing link" between flowering ...


Seeing the tree from the forest: Predicting the future of plant communities

Seeing the tree from the forest: Predicting the future of plant communities

Biology / Plants & Animals

created Aug 21, 2009 | popularity 3.3 / 5 (4) | comments 0

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 ...


How plants learned to respond to changing environments

Biology /

created Jul 12, 2007 | popularity 4.2 / 5 (6) | comments 0

A team of John Innes centre scientists lead by Professor Nick Harberd have discovered how plants evolved the ability to adapt to changes in climate and environment. Plants adapt their growth, including key steps in their ...


When Plants 'Think' Alike

When Plants 'Think' Alike

Biology /

created May 23, 2008 | popularity 4.3 / 5 (11) | comments 0

Biologists have discovered that a fundamental building block in the cells of flowering plants evolved independently, yet almost identically, on a separate branch of the evolutionary tree--in an ancient plant ...


Secrets in a seed: Clues into the evolution of the first flowers

Biology / Plants & Animals

created Sep 14, 2009 | popularity not rated yet | comments 0

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 ...


Insect attack may have finished off dinosaurs

Biology /

created Jan 03, 2008 | popularity 4.4 / 5 (33) | comments 3

Asteroid impacts or massive volcanic flows might have occurred around the time dinosaurs became extinct, but a new book argues that the mightiest creatures the world has ever known may have been brought down by a tiny, much ...


Thrips Swarm on Male Cycad Cone

Living fossils have hot sex

Biology /

created Oct 04, 2007 | popularity 3.7 / 5 (15) | comments 0

University of Utah scientists discovered a strange method of reproduction in primitive plants named cycads: The plants heat up and emit a toxic odor to drive pollen-covered insects out of male cycad cones, ...



List of search results for gymnosperms