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extinction – n. when a type of animal no longer exists
critically – adj. extremely serious or dangerous
conservation – n. the protection of nature
engagement – n. the act or state of being involved in something
habitat –n. the place or kind of place where a plant or animal naturally or normally lives
type –n. a particular kind or group of things or people
commercial – adj. related to buying and selling things
vulnerable – adj. easy to harm or attack
