Bio 101 CSN Final Exam Questions and
Answers 2026 Update
the idea of changing paces of evolution is known formally as -
Correct Answers ✅punctuated equilibrium
the theory of evolution would predict that human DNA is most
similar to that of - Correct Answers ✅primates
dolphins, ichthyosaurs, penguins, and sharks have ________
structures and so represent ________ evolution. - Correct
Answers ✅analogous, convergent
sickle-cell anemia is an example of _________ alleles that
when _______ are lethal, but when _______ provide a _________
advantage - Correct Answers ✅recessive, homozygous,
heterozygous, survival
which of the following structures in NOT homologous to the
others? - Correct Answers ✅insect wing
reproductive isolating mechanisms occur when organisms -
Correct Answers ✅any of the above
which type of selection acts to eliminate extremes from an
array of phenotypes - Correct Answers ✅stabilizing
which type of selection is involved in human birth weight? -
Correct Answers ✅stabilizing
,Bio 101 CSN Final Exam Questions and
Answers 2026 Update
the species concept is - Correct Answers ✅ancient
biological evolution occurs in - Correct Answers
✅populations
which of the following provides an anatomical record of
macroevolution - Correct Answers ✅vestigial organs
choose the phrase that best represents microevolutionary
change - Correct Answers ✅changes in gene frequency in
a population
factors leading to evolution include all but which one of the
following? - Correct Answers ✅genetic equilibrium
natural selection gradually makes a population - Correct
Answers ✅more adapted to its environment
in the Galapagos finches, where did all those finch species
come from? - Correct Answers ✅they evolved as a result of
adaptive radiation
a difference between convergent and divergent evolution is
that - Correct Answers ✅divergent species are related
, Bio 101 CSN Final Exam Questions and
Answers 2026 Update
selection pressure comes from - Correct Answers
✅selection pressure can from any of the above sources
in stabilizing selection, selection pressure occurs ________ -
Correct Answers ✅at the extremes, narrowing the
distribution of the trait
when selection operates to eliminate intermediate
phenotypes, it is referred to as - Correct Answers
✅disruptive selection
_________ results from small evolutionary changes that
increase the likelihood of survival and reproduction - Correct
Answers ✅adaptation
biochemical changes that occur in organisms through time
can help us - Correct Answers ✅all of these
when only a very few individuals give rise to a new
population in a new area of favorable habitat, they might
differ in appearance from the other, larger population from
which they separated. this effect is - Correct Answers
✅founder effect
Answers 2026 Update
the idea of changing paces of evolution is known formally as -
Correct Answers ✅punctuated equilibrium
the theory of evolution would predict that human DNA is most
similar to that of - Correct Answers ✅primates
dolphins, ichthyosaurs, penguins, and sharks have ________
structures and so represent ________ evolution. - Correct
Answers ✅analogous, convergent
sickle-cell anemia is an example of _________ alleles that
when _______ are lethal, but when _______ provide a _________
advantage - Correct Answers ✅recessive, homozygous,
heterozygous, survival
which of the following structures in NOT homologous to the
others? - Correct Answers ✅insect wing
reproductive isolating mechanisms occur when organisms -
Correct Answers ✅any of the above
which type of selection acts to eliminate extremes from an
array of phenotypes - Correct Answers ✅stabilizing
which type of selection is involved in human birth weight? -
Correct Answers ✅stabilizing
,Bio 101 CSN Final Exam Questions and
Answers 2026 Update
the species concept is - Correct Answers ✅ancient
biological evolution occurs in - Correct Answers
✅populations
which of the following provides an anatomical record of
macroevolution - Correct Answers ✅vestigial organs
choose the phrase that best represents microevolutionary
change - Correct Answers ✅changes in gene frequency in
a population
factors leading to evolution include all but which one of the
following? - Correct Answers ✅genetic equilibrium
natural selection gradually makes a population - Correct
Answers ✅more adapted to its environment
in the Galapagos finches, where did all those finch species
come from? - Correct Answers ✅they evolved as a result of
adaptive radiation
a difference between convergent and divergent evolution is
that - Correct Answers ✅divergent species are related
, Bio 101 CSN Final Exam Questions and
Answers 2026 Update
selection pressure comes from - Correct Answers
✅selection pressure can from any of the above sources
in stabilizing selection, selection pressure occurs ________ -
Correct Answers ✅at the extremes, narrowing the
distribution of the trait
when selection operates to eliminate intermediate
phenotypes, it is referred to as - Correct Answers
✅disruptive selection
_________ results from small evolutionary changes that
increase the likelihood of survival and reproduction - Correct
Answers ✅adaptation
biochemical changes that occur in organisms through time
can help us - Correct Answers ✅all of these
when only a very few individuals give rise to a new
population in a new area of favorable habitat, they might
differ in appearance from the other, larger population from
which they separated. this effect is - Correct Answers
✅founder effect
