Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Biological diversity (or biodiversity for short) is one of the most intriguing
features of life. Why are there so many insects on Earth and so few mammals?
Why is biodiversity richest in the tropics, rather than being spread smoothly
across the planet ( )? Why do different continents have different pat-
terns of diversity? Almost everywhere on Earth, for example, placental mam-
mals make up the vast diversity of mammal diversity. On Australia, however,
there is a huge diversity of marsupial mammals.
Biodiversity has also formed striking patterns through the history of life, as
illustrated in . A large team of scientists produced this graph by ana-
lyzing...
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