species - A group of living things that are similar and can produce young together., lamentably - Unfortunately or regrettably, creature - An animal, as distinct from a human being., extinct - Of an animal, plant or other life form having no more living members; died out., demands - The non-stop desire of people, consumers, companies, etc. for a particular commodity, service, or other item, striped - Marked with long, narrow bands of differing colour or texture from the ones either side., hind - Bodily part - situated at the back; back, conservationist - A person who speaks or acts for the protection and preservation of the environment and wildlife, halt - A stopping of movement or activity, revoke - Officially cancel., depend - Need for financial or other support, reserve - A protected area for wildlife, trafficking - Deal or trading in something illegal., ivory - A hard white substance that forms the tusks of an elephant,

Ecology

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