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- NCES Blogs | IES
Explore what’s happening across the education sciences and how people, institutions, and communities are using our work to inform education research, policy, and practices
- What is biodiversity and why is it important? Heres what to . . .
Scientists estimate that there are roughly 8 7 million species of plants, animals, fungi, and other organisms on Earth, including roughly 2 2 million species that live in the world's oceans
- Xylene: An overview of its health hazards and preventive . . .
It is a colorless, sweet-smelling liquid or gas occurring naturally in petroleum, coal and wood tar, and is so named because it is found in crude wood spirit (Gr xy`lon- wood) It has a chemical formula of C6 H4 (CH 3)2 and is referred to as “dimethyl benzene” because it consists of a six-carbon ring to which two methyl groups are bound
- One million species are on the brink of extinction - reuters. com
Only 37 species have been declared extinct with a high degree of certainty since 1500 Scientists have identified some 1 2 million species in the world, but estimate there are about 8 7
- The changing epitome of species identification – DNA barcoding
There are approximately 1 7 million species identified by using morphological (i e Linnean) characters including 808 gymnosperm, and 90,000 monocots and about 200,000 dicots of angiosperm This number may be a gross under-estimate of the true biological diversity of Earth (Blaxter, 2003, Wilson, 2003)
- Hidden biodiversity in microarthropods (Acari, Oribatida . . .
Based on phylogenetic trees, however, the EF-1α has not yet accumulated the differences needed to delimitate all five species Most mite species known today have been described based entirely on
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