bio94 midterm 1 Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
sexual selection a type of natural selection that favors
individuals
with traits that increase their ability to
obtain mates
or choose good mates
heritable traits traits that can be passed on to offspring
fitness the ability to produce viable offspring
relative to
others of the same species
phylogeny the evolutionary history of a group of
organisms
common ancestry a group of organisms share a common
descent if
they have a common ancestor
evolution all organisms are related by common
ancestry and
have changed over time and continue to
change
, vestigial traits a trait that lost its function
natural selection where individuals inherit certain traits to
become
suitable to their environment
artificial selection breeding organisms with desirable traits to
reproduce
adaptation any heritable trait that helps survival
increases
fitness
hardy-weinberg equilibrium genotype frequencies do not change from
generation to generation in the absence of
evolutionary processes
allele frequency p and q represent the alleles in the h-w
equation
genotype frequency p^2, 2pq, and q^2 represent the genotypes
in the
h-w equation
inbreeding from of nonrandom mating that includes
mating
among relatives to increase homozygosity
intersexual selection when an individual of one sex chooses an
individual of another sex to mate
Answers with Verified Solutions | Latest
Updated 2026
sexual selection a type of natural selection that favors
individuals
with traits that increase their ability to
obtain mates
or choose good mates
heritable traits traits that can be passed on to offspring
fitness the ability to produce viable offspring
relative to
others of the same species
phylogeny the evolutionary history of a group of
organisms
common ancestry a group of organisms share a common
descent if
they have a common ancestor
evolution all organisms are related by common
ancestry and
have changed over time and continue to
change
, vestigial traits a trait that lost its function
natural selection where individuals inherit certain traits to
become
suitable to their environment
artificial selection breeding organisms with desirable traits to
reproduce
adaptation any heritable trait that helps survival
increases
fitness
hardy-weinberg equilibrium genotype frequencies do not change from
generation to generation in the absence of
evolutionary processes
allele frequency p and q represent the alleles in the h-w
equation
genotype frequency p^2, 2pq, and q^2 represent the genotypes
in the
h-w equation
inbreeding from of nonrandom mating that includes
mating
among relatives to increase homozygosity
intersexual selection when an individual of one sex chooses an
individual of another sex to mate
