Aquatic organisms R (unicellular protist) and S (vertebrate animal) would be grouped together. Habitat-based grouping obscures true cellular structures, evolutionary ancestries, physiological mechanisms and fundamental genetic relationships. Class 9 Science Exploration Chapter 12 Important Questions SQP from Class 9 Science Chapter 12 ...
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The critical diagnostic characters are being unicellular and eukaryotic. A single-celled body with a well-defined, membrane-bound nucleus and locomotor organelles like flagella confirms membership in Kingdom Protista, exemplified by Euglena. Chapter 12 Patterns in Life Diversity and Classification Solutions Class 9 Science ...
The organism belongs to Kingdom Protista. Protists are defined as unicellular eukaryotic organisms with membrane-bound nuclei; structures like cilia provide aquatic locomotion, characteristic of ciliated protists such as Paramecium. Class 9 Science Exploration Chapter 12 Important Questions SQP from Class 9 Science ...