Plant pollens vary in quality as food sources for bees, and pollen from the sunflower family (the family that includes dandelions, daisies, and thistles) is known to have some unpleasant qualities. Bees fed exclusively sunflower ...
Plants & Animals
Jun 14, 2016
0
17
The amount and composition of nutrients required by the body vary according to its state and physiological circumstances. Polyamines, for example, are needed in greater quantities whenever tissues develop, grow or regenerate. ...
Plants & Animals
May 5, 2016
0
5
Rising levels of atmospheric carbon dioxide have reduced protein in goldenrod pollen, a key late-season food source for North American bees, a Purdue University study shows.
Plants & Animals
Apr 13, 2016
4
108
Salmon are the primary summer food source for an endangered population of killer whales in the Pacific Northwest, according to an analysis of fish DNA in killer whale poop published Jan. 6, 2016 in the open-access journal ...
Ecology
Jan 6, 2016
0
67
The sustainability of growing crops for use as energy sources has been disputed for many years. A potentially attractive alternative is to use waste and residues from agricultural and forestry. However, using waste and other ...
Environment
Dec 18, 2015
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336
Aboriginal rangers have joined forces with scientists to determine for the first time the distribution and abundance of dugongs (Dugong dugon) that inhabit the Kimberley's remote waters and act as a food source for indigenous ...
Ecology
Dec 14, 2015
0
15
Most animals reproduce by laying eggs. As the embryo develops, its feeds on the egg yolk. No egg yolk, no offspring, then? Not always. Biologists from KU Leuven, Belgium, have discovered an exception to the rule: the eggs ...
Plants & Animals
Nov 12, 2015
3
48
(Phys.org)—A team of researchers in the U.S. has found that our early human ancestors expanded their diet to include savannah grasses and other food sources approximately a quarter of a million years earlier than had been ...
As climate change accelerates ice melt in the Arctic, polar bears may find caribou and snow geese replacing seals as an important food source, shows a recent study published in the journal PLOS ONE. The research, by Linda ...
Ecology
Sep 4, 2015
2
65
In "Jurassic World," kids visiting the Gentle Giants Petting Zoo get to ride on and feed a triceratops. Turns out that's not such a good idea: University of Florida researchers recently learned that the three-horned dinos ...
Archaeology
Jun 15, 2015
0
31
