A group of related families forms an
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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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Compare and contrast the three types of muscles with examples.
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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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