Which group of mammals, such as whales and dolphins, are adapted for aquatic life?
Cetaceans, including whales and dolphins, are mammals adapted for life in water.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Origin and Evolution of Man
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Whales are most closely related to which terrestrial mammals?
Artiodactyls reflects key principle in quiz on molecular evolution pyqs solved -sec d, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Artiodactyls 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 Artiodactyls fits helps integrate natural selection, environment.
Ref: Nei & Kumar, Molecular Evolution, Clocks and Purifying Selection.