2: The lecture’s story is about the decline in the number of house sparrows

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9.2 B 2: The lecture’s story is about the decline in the number of house sparrows It is not given in the note because it is just a story which was told by the lecture to show one main point. 3: There are 2 types of extinctions: background extinction and anthropogenic extinction. While BE is a natural phenomenon, AE is the result of human activity. AE is happening because of the loss of habitat, commercial harvesting of animals and plants and industrial pollution. 4: 2 types: BE and AE Natural phenomenon, slow rate of extinction Human activity, rapid rate of extinction The loss of habitat, commercial harvesting of animals and plants, industrial pollution 9 .2 C Review Notes Why conserve? Numerous utilitarian arguments Real economic and societal reasons Need a strong commitment The first argument? Planet’s biodiversity => important => future food supply Another argument? Potential to provide new type of medicine Cure disease Other arguments? Less practical considerations Summary There are strong utilitarian arguments tải về 19.71 Kb. Chia sẻ với bạn bè của bạn: