Grass, clover and herbs are the foundation of Swiss agriculture: Two-thirds of Switzerland's agricultural land is grassland, much of which is barely suitable for arable farming. Vast areas of ...
From the driest deserts to the lushest forests, ecosystems are networks of life where organisms and the environment interact. In this episode of Crash Course Botany, we’ll explore how plants function ...
Sea urchins climb onto kelp when their densities are so high they remove all drift kelp and then actively forage on attached, living kelp. (Credit: Steve Lonhart / NOAA MBNMS) Tipping points are the ...
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