1. Zoos are working together to stop animals from going extinct
2. Animals to which humans are indifferent often lose their habitats and go extinct
3. But no government wants to see the tiger, an emblem of India, go extinct
on its watch.
1. no longer in existence; lost or especially having died out leaving no living representatives
2. (of e.g. volcanos) permanently inactive
3. being out or having grown cold
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