Câu ví dụ #1
1. " Understanding evolution To find out what percentage of plant species are housed in captivity, Brockington and colleagues compared databases cataloguing all known flora to those held by a third of the world's 3,269 botanical gardens.
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2. 4 billion-year-old microscopic creatures -- whose slender filaments are bundled together like brooms -- could also be the earliest known specimens of the branch of life to which humans belong, they reported in the journal Nature Ecology & evolution.
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