36) If the females of a songbird species prefer to mate with more brightly color
ID: 161039 • Letter: 3
Question
36) If the females of a songbird species prefer to mate with more brightly colored males, and you know this trait is heritable, you would expect
A) brightly colored males to survive better in the population. B) sexual selection to occur.
C) males to evolve to become more brightly colored.
D) both A and B
37) A population of beetles in which some individuals are blue and some individuals are green evolves because the green individuals survive better, and so leave more offspring. This mechanism of evolution is known as
A) natural selection. B) mutation pressure. C) genetic drift. D) gene flow.
38) When a donkey mates with a horse, a mule is produced. However, mules are sterile. This is an example of A) speciation by hybridization. B) allopatric speciation.
C) a postzygotic reproductive barrier. D) sympatric speciation.
39) The formation of the isthmus of Panama, dividing the Pacific Ocean from the Caribbean Sea, resulted in many instances of
A) gene flow.
C) sympatric speciation.
B) polyploidy.
D) allopatric speciation.
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40) The evolution of a large number of species, each adapted to a distinct way of life, from a single ancestor describes
A) sympatric speciation. C) allopatric speciation.
B) adaptive radiation. D) polyploidy.
41) An example of artificial selection is the
A) evolution of antibiotic-resistant bacteria.
B) breeding of corn from teosinte.
C) fact that all mammalian limbs are made up of the same set of bones. D) observation that some snakes retain tiny, incomplete hind legs.
42) Which statement regarding human evolution and our hominid relatives is false?
A) Homo erectus was the first species to migrate out of Africa and into Europe and Asia.
B) Modern human anatomy appeared at the same time as modern human cultural traits.
C) In some hominids, males were significantly larger than females in body size.
D) Neanderthals interbred with modern humans, but disappeared as modern humans spread.
43) The current global human population is approximately ________.
A) 1.5 billion B) 10 billion C) 1.5 million D) 7 billion E) 7 million
44) Diminishing population growth rates in poor countries can be partially attributed to ________. A) the education of women
B) economic disasters
C) reproducing beyond replacement fertility
D) illness in infants
E) valuing the birth of a son
45) ________ is the world's most populous nation, home to ________ of the people living on Earth. A) The United States; half
B) India; one-third
C) China; half
D) The United States; one-fifth E) China; one-fifth
46) Life expectancy in parts of southern Africa ________. A) has fallen dramatically since 1990
B) is on the rise
C) has stabilized due to population control
D) cannot be determined due to lack of adequate methods for data collection E) is starting to fall
47) The richest one-fifth of the world's population possesses approximately ________ times the income of the poorest one-fifth, and the richest one-fifth uses over 86% of the world's resources.
A) 10 B) 40 C) 80 D) 20 E) 60
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48) A high birth rate coupled with a declining death rate resulting from increased food production and improved medical care is characteristic of the ________ stage of the demographic transition model.
A) transitional B) stabilization C) revolutionary
D) postindustrial E) preindustrial
49) IPAT stands for ________.
A) Impact, Population, Affluence, and Technology B) Industry, Population, Attitude, and Teaching C) Impact, People, Affluence, and Technology
D) Industry, People, Attitude, and Teaching
E) Impact, Population, Attitude, and Technology
50) The term demographic transition refers to ________.
A) a requirement for a population to reach a specific size before it becomes stable
B) the slowing down in the growth of a population as it approaches it biocapacity
C) the decline in death rates followed by decline in birth rates, occurring as a country economically develops D) the decline in death rates followed by a decline in birth rates that occurred because sanitation levels in
areas improved
E) the slowing down in the growth of a population as it approaches the carrying capacity
Explanation / Answer
36. D) both A and B
37. A) natural selection.
38. C) a postzygotic reproductive barrier
39. D) allopatric speciation.
40. C) allopatric speciation.
41. B) breeding of corn from teosinte.
42. B) Modern human anatomy appeared at the same time as modern human cultural traits.
43. D) 7 billion
44. A) the education of women
45. E) China; one-fifth
46. A) has fallen dramatically since 1990
47. C) 80
48. C) revolutionary
Due to the Industrial Revolution and agricultural revolution.
49. A) Impact, Population, Affluence, and Technology
50. C) the decline in death rates followed by decline in birth rates, occurring as a country economically develops
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