extinction - a situation in which something no longer exists, conservation - the protection of plants and animals, natural areas, and interesting and important structures and buildings, especially from the damaging effects of human activity, up-to-date - modern, recent, or containing the latest information, endangered species - a type of animal or plant that might stop existing because there are only a few of that type alive, the bottom line - the final result or the most important consideration of a situation, activity, or discussion, ripple effect - a series of things that happen as the result of a particular action or event, species - a set of animals or plants in which the members have similar characteristics to each other and can breed with each other, ecosystem - all the living things in an area and the way they affect each other and the environment, environment - the air, water, and land in or on which people, animals, and plants live, disappear - to go to a place or into a condition where the person or thing cannot be seen, no longer exist, responsibility - something that it is your job or duty to deal with, prevent - to stop something from happening or someone from doing something, face a challenge - to have to deal with something that needs great mental or physical effort in order to be done successfully and therefore tests a person's ability, survive - to continue to live or exist, especially after coming close to dying or being destroyed or after being in a difficult or threatening situation,

Conservation of Nature

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