| natural |
Produced or existing in nature; not artificial or manufactured.
Ãâó: science.education.nih.gov/supplements/nih2/chemica...
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|---|---|
| natural immunity |
Immunity due to innate genetical characters.
Ãâó: www.pestmanagement.co.uk/lib/glossary/glossary_n.s...
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| natural selection |
the process by which genetic traits are passed on to each successive generation. Over time, natural selection helps species become better adapted to their environment. Also known as "survival of the fittest," natural selection is the driving force behind the process of evolution.
Ãâó: www.pbs.org/strangedays/glossary/N.html
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| natural killer cells |
NK cells. A type of white blood cell that contains granules with enzymes that can kill tumor cells or microbial cells. Also called large granular lymphocytes.
Ãâó: www.seniormag.com/conditions/cancer/cancerglossary...
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| natural radioactivity |
The radioactive decay that occurs naturally, as opposed to induced radioactivity. Also known as spontaneous fission.
Ãâó: xenon.che.ilstu.edu/genchemhelphomepage/glossary/n...
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| Natura | an object occurring naturally |
|---|---|
| Natura | the physical universe considered as an orderly system subject to natural (not human or supernatural) laws |
| Natura | all non-artificial phenomena |
| Natura | the science of matter and energy and their interactions |
| Natura | a process existing in or produced by nature (rather than by the intent of human beings) |
| Natura | a plant exudate |
| Natura | resources (actual and potential) supplied by nature |
| Natura | resources (actual and potential) supplied by nature |
| Natura | the sciences involved in the study of the physical world and its phenomena |
| Natura | a biologist knowledgeable about natural history (especially botany and zoology) |
| Natura | a natural process resulting in the evolution of organisms best adapted to the environment |
| Natura | a shape created by natural forces |
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