Why closely related species do not eat the same things

Closely related species consume the same resources less often than more remotely related species. In fact, it is the competition for resources, and not their kinship, which determines the food sources of the species of a ...

Study uncovers secrets of biological soil crusts

They lie dormant for years, but at the first sign of favorable conditions they awaken. This sounds like the tagline for a science fiction movie, but it describes the amazing life-cycles of microbial organisms that form the ...

Tropical vagrants bigger, stronger survivors

(Phys.org) —Sydney marine researchers are one step further in solving the mystery of how tropical fishes, in response to rising sea temperatures and the impact of climate change, are shifting, and potentially surviving ...

Caribou the missing piece of arctic warming puzzle

In the first study of its type in Canada, new research has shown caribou have a role to play in climate warming in the arctic. Despite declining herd numbers, caribou grazing is controlling plant growth in the arctic and ...

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