Phylogenetic classification is based on
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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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Q8. What is meant by the term ‘species’? Discuss its meaning in higher plants and animals and in bacteria.
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Describe seven common sports injuries with causes, symptoms and treatment.
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What do we learn from identification of individuals and populations?
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Compare and contrast the three types of muscles with examples.
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Q6. Define a taxon. Give some examples of taxa at different hierarchical levels.
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What different criteria would you choose to classify people that you meet often?
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Explain the sliding filament theory in detail with role of proteins, calcium and ATP.
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