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species – n. a group of animals or plants that are similar and can produce young animals or plants
adopt – v. to approve or accept; to take by choice
abundant – adj. plentiful
conservationist – n. a person who acts for the protection of wildlife and the environment
extinction – n. the state or situation that results when something (such as a plant or animal species) has died out completely
stable – adj. secure; strong or fixed
no-brainer – n. a simple decision that does not require a lot of thinking
