endangered – adj. used to describe a type of animal or plant that has become very rare and that could die out completely

paste – n. a soft, wet mixture of usually a powder and a liquid

powder – n. a dry substance made up of very tiny pieces of something

scales – n. the small stiff plates that cover much of the body of some animals such as fish and snakes

species – n. a group of animals or plants that are similar and can produce young animals or plants; a group of related animals or plants that is smaller than a genus

tongue – n. the soft, movable part in the mouth that is used for tasting and eating food and in human beings for speaking
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