Fossils and their surrounding matrix can provide insights into what our world looked like millions of years ago. Fossils of angiosperms, or flowering plants (which are the most common plants today), first appear in the fossil ...
Plants & Animals
Mar 23, 2010
0
0
A field of golden-flowered stems swaying in an autumn breeze may evoke a peaceful scene. But this tranquility belies serious battles between natural enemies that took place in the spring. In particular, young goldenrod stems ...
Plants & Animals
Mar 8, 2010
0
0
Contradictions and puzzles surround the giant fossil Prototaxites. The fossils resemble tree trunks, and yet they are from a time before trees existed. The stable carbon isotope values are similar to those of fungi, but the ...
Archaeology
Feb 10, 2010
4
0
Dark spots on flower petals are common across many angiosperm plant families and occur on flowers such as some lilies, orchids, and daisies. Much research has been done on the physiological and behavioral mechanisms for ...
Plants & Animals
Dec 18, 2009
0
0
It is well known that some animal species use camouflage to hide from predators. Individuals that are able to blend in to their surroundings and avoid being eaten are able to survive longer, reproduce, and thus increase ...
Plants & Animals
Nov 25, 2009
0
0
(PhysOrg.com) -- Plants don't mind sharing space with their kin but when they're potted with strangers of the same species they start invigorating their leaves, a study by McMaster University reveals.
Plants & Animals
Nov 16, 2009
0
0
The concept of altruism has long been debated in philosophical circles, and more recently, evolutionary biologists have joined the debate. From the perspective of natural selection, altruism may have evolved because any ...
Plants & Animals
Nov 11, 2009
0
0
Fossil plants are windows to the past, providing us with clues as to what our planet looked like millions of years ago. Not only do fossils tell us which species were present before human-recorded history, but they can provide ...
Archaeology
Nov 10, 2009
0
0
With summer in full swing, many plants are at their peak bloom and climbing plants, like clematis, morning glories, and sweet peas, are especially remarkable. Not only are these plants beautiful, but their ability to climb ...
Plants & Animals
Aug 6, 2009
0
0
Without the process of domestication, humans would still be hunters and gatherers, and modern civilization would look very different. Fortunately, for all of us who do not relish the thought of spending our days searching ...
Plants & Animals
Jun 19, 2009
0
0
