Water fleas can thwart their enemies by growing defensive structures such as helmets and spines. What's more, this predator-induced 'arming' process is not a one-size-fits-all approach - they can even tailor their defensive ...
Plants & Animals
Jul 6, 2016
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7
The key to helping animals evolve quickly in response to climate change could actually be their predators, according to a new UBC study.
Ecology
Dec 15, 2015
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815
For a beholder who is an evolutionary biologist, the eye is has long been a fascinating puzzle because of the many parts that must seamlessly work together for the whole to work properly. Biologists have addressed the question ...
Evolution
Nov 20, 2015
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1270
New research on a number of Canadian lakes show that historical acid deposits as a result of industry have greatly reduced calcium levels in the water - dramatically impacting populations of calcium-rich plankton such as ...
Ecology
Nov 18, 2014
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1
Imagine that the players on your favourite football team were smaller than their opponents, and had to play without helmets or pads. Left defenseless, they would become easy prey for other teams. Similarly, changes in Canadian ...
Ecology
Sep 6, 2012
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0
Environmental change is the selective force that preserves adaptive traits in organisms and is a primary driver of evolution. However, it is less well known that evolutionary change in organisms also trigger fundamental changes ...
Evolution
May 23, 2012
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0
In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light. They are diurnal, hunting during the day, and are known to move, looping end over end, or contract, in response to light. ...
Plants & Animals
Mar 4, 2012
1
0
Unprecedented algae growth in some lakes could be linked to the decline of water calcium levels and the subsequent loss of an important algae-grazing organism that helps keep blooms at bay.
Environment
Sep 28, 2011
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0
Biologists worldwide subscribe to the healthy herds hypothesis, the idea that predators can keep packs of prey healthy by removing the weak and the sick. This reduces the chance disease will wipe out the whole herd, but could ...
Ecology
Jun 23, 2011
2
0
There are many different kinds of crustaceans, ranging from the shellfish Swedish people eat at traditional crayfish parties every August to tiny relatives found in their millions in both freshwater and saltwater. One of ...
Biotechnology
Mar 22, 2011
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