3 public questions tagged with this topic.
Sweat glands in mammals help regulate body temperature through evaporative cooling (NCERT, Chapter 4, page 59). Scales are in reptiles, gills in fishes, and the clitellum in annelids.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Vertebrata - Aves and Mammalia
Synapomorphy reflects key principle in quiz on cladogram+pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Synapomorphy aligns with experimental and theoretical evidence from population genetics, behavioral ecology and molecular phylogeny. Textbooks like Campbell Biology, Futuyma Evolution and Hartl Principles illustrate supporting data. Understanding why Synapomorphy fits helps integrate natural selection, environment.
Ref: Baum & Smith, Tree Thinking, Synapomorphy and Monophyly.
Keratin is the correct answer as it accurately identifies the biological location, composition, or distribution described in this question. In Protein, the spatial organization and localization of molecules are critical to their function. Keratin is specifically associated with the structure or compartment mentioned because of its unique biochemical properties and physiological role. The other options (Actin, Myosin, and Collagen) are primarily associated with different cellular compartments, tissues, or structural contexts.
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 4
