BIO 182 EXAM 2 ASU QUESTIONS &
ANSWERS (RATED A+)
niche - ANSWERrange of environmental conditions in which a genotype can persist
abiotic - ANSWERphysical conditions
biotic - ANSWERother organisms
The probability that a neutral allele will be fixed by genetic drift equals...? -
ANSWERthe frequency of the allele
What is critical thermal maximum? - ANSWERThe max temp specific to the
organism when said organism can still perform functions necessary for survival
What 3 conditions lead to genetic drift? - ANSWER-variation
-heritability
-same population
Random processes can...? - ANSWERSpread neutral alleles or eliminate beneficial
alleles
Species - ANSWERgroup that shares specific properties
biological species - ANSWERgroup of potentially interbreeding species
evolutionary species - ANSWERlineage that remains distinct throughout space &
time
What prevents species from interbreeding? - ANSWERisolation mechanisms
The biological species concept works well for? - ANSWERliving species that
reproduce sexually
What happens when populations come back into contact? - ANSWER-populations
mix
-selection reinforces isolation
How can sympatric populations evolve reproductive isolation? - ANSWERnot very
easily
Gene flow - ANSWERdispersal of organisms btw genetically distinct populations
Why disperse? - ANSWER-minimize inbreeding
-avoid competition
ANSWERS (RATED A+)
niche - ANSWERrange of environmental conditions in which a genotype can persist
abiotic - ANSWERphysical conditions
biotic - ANSWERother organisms
The probability that a neutral allele will be fixed by genetic drift equals...? -
ANSWERthe frequency of the allele
What is critical thermal maximum? - ANSWERThe max temp specific to the
organism when said organism can still perform functions necessary for survival
What 3 conditions lead to genetic drift? - ANSWER-variation
-heritability
-same population
Random processes can...? - ANSWERSpread neutral alleles or eliminate beneficial
alleles
Species - ANSWERgroup that shares specific properties
biological species - ANSWERgroup of potentially interbreeding species
evolutionary species - ANSWERlineage that remains distinct throughout space &
time
What prevents species from interbreeding? - ANSWERisolation mechanisms
The biological species concept works well for? - ANSWERliving species that
reproduce sexually
What happens when populations come back into contact? - ANSWER-populations
mix
-selection reinforces isolation
How can sympatric populations evolve reproductive isolation? - ANSWERnot very
easily
Gene flow - ANSWERdispersal of organisms btw genetically distinct populations
Why disperse? - ANSWER-minimize inbreeding
-avoid competition
