SOUTH CAROLINA BIOLOGY EOC REVIEW PRACTICE
EXAMINATION 2026 QUESTIONS WITH ANSWERS GRADED
A+
● Evidence of Evolution. Answer: Fossil record comparative anatomy molecular biology
biogeography
● Comparative Anatomy. Answer: Studying similarities and differences in structures
● Homologous Structure. Answer: Similar structure in different species indicating common
ancestor
● Analogous Structure. Answer: Similar function but different structure due to convergent
evolution
● Vestigial Structure. Answer: Reduced structure with little or no function
● Embryology. Answer: Study of embryo development showing evolutionary relationships
● Biochemical Evidence. Answer: Similarities in DNA and proteins indicating relatedness
● Molecular Clock. Answer: Using DNA differences to estimate time since species diverged
● Biogeography. Answer: Geographic distribution of species supporting evolution
● Divergent Evolution. Answer: Species evolving from common ancestor becoming more
different
● Convergent Evolution. Answer: Unrelated species evolving similar traits in similar
environments
● Coevolution. Answer: Two species evolving together influencing each other
● Gradualism. Answer: Evolution occurring slowly through small changes
● Punctuated Equilibrium. Answer: Evolution occurring in rapid bursts separated by stability
● Hardy-Weinberg Equilibrium. Answer: Model describing stable allele frequencies in
population
EXAMINATION 2026 QUESTIONS WITH ANSWERS GRADED
A+
● Evidence of Evolution. Answer: Fossil record comparative anatomy molecular biology
biogeography
● Comparative Anatomy. Answer: Studying similarities and differences in structures
● Homologous Structure. Answer: Similar structure in different species indicating common
ancestor
● Analogous Structure. Answer: Similar function but different structure due to convergent
evolution
● Vestigial Structure. Answer: Reduced structure with little or no function
● Embryology. Answer: Study of embryo development showing evolutionary relationships
● Biochemical Evidence. Answer: Similarities in DNA and proteins indicating relatedness
● Molecular Clock. Answer: Using DNA differences to estimate time since species diverged
● Biogeography. Answer: Geographic distribution of species supporting evolution
● Divergent Evolution. Answer: Species evolving from common ancestor becoming more
different
● Convergent Evolution. Answer: Unrelated species evolving similar traits in similar
environments
● Coevolution. Answer: Two species evolving together influencing each other
● Gradualism. Answer: Evolution occurring slowly through small changes
● Punctuated Equilibrium. Answer: Evolution occurring in rapid bursts separated by stability
● Hardy-Weinberg Equilibrium. Answer: Model describing stable allele frequencies in
population
