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Observe two different animals in your immediate environment. What features help you distinguish between them? How do these features help place them into different groups?

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Observing a pigeon and an earthworm reveals distinctions in locomotion, appendages and body covering. Feathers and wings place pigeons in vertebrate birds, while moist skin and segmented bodies place earthworms in annelids.

Chapter 12 Patterns in Life Diversity and Classification Solutions

Class 9 Science Patterns in Life Diversity and Classification Exercise Solutions

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  1. (i) Distinguishing features: A pigeon possesses feathers, wings, a beak and an internal bony backbone, whereas an earthworm exhibits a soft, cylindrical, segmented body lacking limbs, skeleton and eyes. (ii) Group placement: The internal vertebral column and aerial adaptations place the pigeon into Chordata (Aves), while the metameric segmentation, lack of backbone and hydrostatic support classify the earthworm into Invertebrata (Annelida).

     

    For more NCERT Solutions of Class 9 Science Exploration Chapter 12 Patterns in Life Diversity and Classification Question Answer (2026-27)

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/exploration-chapter-12/

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