Which of the following characteristics is common to both reptiles and birds?
Both reptiles and birds possess scales, which indicate their evolutionary relationship.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Vertebrata - Aves and Mammalia
#common traits
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Which of the following characteristics is common to both amphibians and reptiles?
Both amphibians and most reptiles have a three-chambered heart, except crocodiles, which have a four-chambered heart.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Vertebrata - Amphibia and Reptilia
Positive frequency dependent selection tends to
Eliminate variation reflects key principle in quiz on natural selection, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Eliminate variation 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 Eliminate variation fits helps integrate natural selection, environment.
Ref: Futuyma, Evolution, 4th ed., Chapter 11: Natural Selection.