BIO 100 EXAM 3 REVIEW QUESTION SET
WITH ACCURATE ANSWERS
◉ Which of the following is an example of behavioral isolation?
A) the pollen of roses is not recognized by the eggs of morning
glories
B) a species of daisy only blooms when nights become longer than
nine hours
C) female spiders only mate when a male of the same species taps
her web in a particular way
D)the offspring of horses and donkeys are sterile
E) Some species of cicadas emerge as adults to mate after 17 yrs
as larvae
Answer: C
◉ When two populations are allopatric, they
A)geographically separated from each other
B) coevolve with each other
C) converge on similar traits
D) maintains gene flow through dispersal
E) b or c
Answer: A
,◉ Which of the following are all mechanisms of keeping gene
pools isolated?
A) spatial isolation, directional selection, convolution
B) Behavioral isolation, gametic incompatibility, directional
selection
C) Spatial isolation, behavioral isolation, gametic incompatibility
D) reproductive investment, spatial isolation, convergent
evolution
E) directional selection, spatial isolation, temporal isolation
Answer: C
◉ Which of the following is an example of a nuptial gift?
A) A fish offered by a male to a female seabird during courtship
B). The teeth and mane of a male lion
C) the giant tail of a peacock
D) a flowering bush defended by a male hummingbird
E) the female appearance of some male blue headed wrasses
Answer: A
◉ What is meant by evolutionary "Fitness"?
A) males with largest body size usually win
B) species who outcompetes others and takes over a geographic
area
C) people with normal hemoglobin transport o2 better
, D) a relative measure of individuals lifetime reproductive success
compared to that of others in the population
E) who ever lives the longest is the most fit
Answer: D
◉ Satellite males
A) display fancy feathers to attract females
B) mimic the appearance of females
C) gain access to females by sneaking around the periphery of a
dominant males area
D)defend food resources and exchange access for copulation
E use weapons to defeat dominant males
Answer: C
◉ Which of the following is NOT directly related to the production
of genetic variation in natural populations?
A)crossing over during meiosis
B) the randomness of fertilization
C) limited resources
D) mutation
E) INDP assortment of homologous chromosomes
Answer: C
WITH ACCURATE ANSWERS
◉ Which of the following is an example of behavioral isolation?
A) the pollen of roses is not recognized by the eggs of morning
glories
B) a species of daisy only blooms when nights become longer than
nine hours
C) female spiders only mate when a male of the same species taps
her web in a particular way
D)the offspring of horses and donkeys are sterile
E) Some species of cicadas emerge as adults to mate after 17 yrs
as larvae
Answer: C
◉ When two populations are allopatric, they
A)geographically separated from each other
B) coevolve with each other
C) converge on similar traits
D) maintains gene flow through dispersal
E) b or c
Answer: A
,◉ Which of the following are all mechanisms of keeping gene
pools isolated?
A) spatial isolation, directional selection, convolution
B) Behavioral isolation, gametic incompatibility, directional
selection
C) Spatial isolation, behavioral isolation, gametic incompatibility
D) reproductive investment, spatial isolation, convergent
evolution
E) directional selection, spatial isolation, temporal isolation
Answer: C
◉ Which of the following is an example of a nuptial gift?
A) A fish offered by a male to a female seabird during courtship
B). The teeth and mane of a male lion
C) the giant tail of a peacock
D) a flowering bush defended by a male hummingbird
E) the female appearance of some male blue headed wrasses
Answer: A
◉ What is meant by evolutionary "Fitness"?
A) males with largest body size usually win
B) species who outcompetes others and takes over a geographic
area
C) people with normal hemoglobin transport o2 better
, D) a relative measure of individuals lifetime reproductive success
compared to that of others in the population
E) who ever lives the longest is the most fit
Answer: D
◉ Satellite males
A) display fancy feathers to attract females
B) mimic the appearance of females
C) gain access to females by sneaking around the periphery of a
dominant males area
D)defend food resources and exchange access for copulation
E use weapons to defeat dominant males
Answer: C
◉ Which of the following is NOT directly related to the production
of genetic variation in natural populations?
A)crossing over during meiosis
B) the randomness of fertilization
C) limited resources
D) mutation
E) INDP assortment of homologous chromosomes
Answer: C
