Latest questions in this category.
Vestigial gill slits in human embryos suggest common ancestry with aquatic organisms like fishes.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Gene flow reduces genetic differences between populations by introducing new alleles.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Paleontology studies fossils to provide evidence of evolutionary changes over time.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Forelimbs in whales, bats, and humans are homologous organs, indicating common ancestry despite different functions.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Coelacanth is considered a living fossil, showing little evolutionary change over millions of years.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Genetic drift, along with mutation, gene flow, and selection, disrupts Hardy-Weinberg equilibrium by altering allele frequencies.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Wings of butterfly and bird are analogous structures, performing similar functions but having different evolutionary origins.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Fossil records provide direct evidence of evolutionary changes over time.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Embryological evidence, such as similar embryonic stages, supports the concept of common ancestry among species.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Analogous organs have similar functions but different structures and evolutionary origins.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Hardy-Weinberg equilibrium remains stable only when no evolutionary forces are acting on a population.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
Thorns of Bougainvillea and tendrils of Cucurbita are homologous structures derived from the same ancestral organ but adapted for different functions.
Ref: NCERT Class 12 Biology Chapter 6: Evolution Evidences of Evolution - Paleontological and Comparative Anatomy
