News tagged with daphnia

Zooplankton rapidly evolve tolerance to road salt

A common species of zooplankton—the smallest animals in the freshwater food web—can evolve genetic tolerance to moderate levels of road salt in as little as two and a half months, according to new research published online ...

dateJan 06, 2017 in Ecology
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Scientists watch water fleas take over new territory

Look into any nutrient-rich pond almost anywhere in the world and you will find Daphnia pulex, a tiny crustacean (also called a water flea) that is a source of food for fish and fascination for scientists. A new study, reported ...

dateJul 19, 2016 in Ecology
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Transforming water fleas prepare for battle

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 ...

dateJul 06, 2016 in Plants & Animals
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Microevolutionary evidence: The eyes have it

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 ...

dateNov 20, 2015 in Evolution
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Calcium loss turning lakes to 'jelly'

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 ...

dateNov 18, 2014 in Ecology
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