单词：small disturbance theory
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Plants can choose where their seeds end up. Some float on the winds, others on the water. Many seeds hit the ride on or inside animals. And the farther seeds get from their parents and any predators of the disease the parent might have, the better ch
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Authorities in New South Wales are warning that the state is facing an unprecedented bushfire danger. A state of emergency has been declared with weather conditions set to worsen in the next three days. Authorities worry that three large fires in the
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