Discuss the impact of aging on bones, cartilage and muscles with prevention methods.
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Q&A
Why are the classification systems changing every now and then?
Classification systems keep changing due to the discovery of new organisms and the development of new techniques such as molecular biology and genetic analysis. Improved understanding of evolutionary relationships has also led to revisions in existing classification systems.
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This question belongs to the set "Class – XI Biology Chapter 1 NCERT Solutions – Q&A". Click below to read detailed notes and attempt the full quiz.
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