1. When formulating his theory, Charles Darwin considered all of the following except a) growth
of and competition within populations b) fit between organisms and their environment c)
Mendelian genetics d) blending inheritance e) fossil record 2. Natural selection may operate on a
trait if the trait is and causes However, natural selection will not lead to evolution unless the trait
under selection is a) variable; differential survival; heritable b) adaptable; survival of the fittest;
heritable c) adaptable; differential survival; variable d) variable; survival of the fittest; heritable
e) heritable; differential survival; variable 3. Consider skull size in human newborns. Natural
selection favors phenotype in the population. This is an example of a) the intermediate;
disruptive selection b) one extreme; genetic drift c) one extreme; directional selection d) the
intermediate; stabilizing selection e) one extreme; disruptive selection 4. Which statement best
describes how fitness is measured by evolutionary biologists? Fitness is a measure of a) an
organism's adaptability to various habitats. b) the number of mates an individual has sex with. c)
the relative health of each individual in a population. d) reproductive output of an individual in a
population. e) the physical ability (stamina, strength, speed, etc.) of an individual. 5. Hardy-
Weinberg Equilibrium assumes all of the following except a) no selection b) no mating c) no
gene flow d) infinite population size e) no mutations 6. Which of the following is least likely to
facilitate the generation or maintenance of genetic a) seasonal variation in temperature resuiting
in oscillating selective pressures diversity in a population? c) migration of individuals and
subsequent gene flow from an evolutionarily divergent and b) a bottleneck caused by a founder
event geographically distant population d) natural selection favoring heterozygotes e) recurrent
mutation at a genetic locus.
1- When formulating his theory- Charles Darwin considered all of the f.pdf
1. 1. When formulating his theory, Charles Darwin considered all of the following except a) growth
of and competition within populations b) fit between organisms and their environment c)
Mendelian genetics d) blending inheritance e) fossil record 2. Natural selection may operate on a
trait if the trait is and causes However, natural selection will not lead to evolution unless the trait
under selection is a) variable; differential survival; heritable b) adaptable; survival of the fittest;
heritable c) adaptable; differential survival; variable d) variable; survival of the fittest; heritable
e) heritable; differential survival; variable 3. Consider skull size in human newborns. Natural
selection favors phenotype in the population. This is an example of a) the intermediate;
disruptive selection b) one extreme; genetic drift c) one extreme; directional selection d) the
intermediate; stabilizing selection e) one extreme; disruptive selection 4. Which statement best
describes how fitness is measured by evolutionary biologists? Fitness is a measure of a) an
organism's adaptability to various habitats. b) the number of mates an individual has sex with. c)
the relative health of each individual in a population. d) reproductive output of an individual in a
population. e) the physical ability (stamina, strength, speed, etc.) of an individual. 5. Hardy-
Weinberg Equilibrium assumes all of the following except a) no selection b) no mating c) no
gene flow d) infinite population size e) no mutations 6. Which of the following is least likely to
facilitate the generation or maintenance of genetic a) seasonal variation in temperature resuiting
in oscillating selective pressures diversity in a population? c) migration of individuals and
subsequent gene flow from an evolutionarily divergent and b) a bottleneck caused by a founder
event geographically distant population d) natural selection favoring heterozygotes e) recurrent
mutation at a genetic locus
