World's oldest bug is fossil millipede from Scotland

A 425-million-year-old millipede fossil from the Scottish island of Kerrera is the world's oldest "bug"—older than any known fossil of an insect, arachnid or other related creepy-crawly, according to researchers at The ...

The landscape determines how streams should be restored

The U.N. has declared the coming decade as the Decade on Ecosystem Restoration, making it particularly urgent to plan for successful restoration. Most restoration occurs in streams, and usually in short segments. Researchers ...

First fossil nursery of the great white shark discovered

An international research team led by Jaime A. Villafaña from the Institute of paleontology at the University of Vienna discovered the first fossil nursery area of the great white shark, Carcharodon carcharias in Chile. ...

How life on Earth has evolved underground

Hidden beneath Australia's surface, aquatic ecosystems that have survived in complete isolation for millions of years shed light on the evolution of living and extinct species.

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Ecosystem

An ecosystem is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the physical (abiotic) factors of the environment. An ecosystem is a unit of interdependent organisms which share the same habitat. Ecosystems usually form a number of food webs which show the interdependence of the organisms within the ecosystem.

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