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Bio Test 4 (ch.14)

47 Questions  I  By Nikki1991
Bio Test 4 (Ch.14)

  
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1.  Disease is spread more quickly between individuals who live in close proximity, such as in a nesting colony of penguins. Disease can be considered a:
A.
B.
C.
D.
E.
2.  Our understanding of the oscillating population cycle of the lynx and snowshoe hare, pictured above, comes from the detailed records kept by the Hudsons Bay Company, beginning in the 17th century, of the numbers of pelts it purchased from fur trappers. Which of the following , if true, would be a reason to suspect the populations actually exhibited the oscillating pattern shown?
A.
B.
C.
D.
E.
3.  During the period from 25,000 to 10,000 years ago, when people were gatherer -hunters, the rate of the population increase was slow; but from 10,000 to 5,000 years ago there was a dramatic increase in growth rate. Which of these factors is MOST LIKELY to have contributed to this increase?
A.
B.
C.
D.
E.
4.  When a population grows in proportion to its size (E.g. bigger populations grow faster), that population is experiencing _______________ growth.
A.
B.
C.
D.
E.
5.  Which of the following is NOT a density- independent population regulating factor?
A.
B.
C.
D.
E.
6.  Life-history patterns:
A.
B.
C.
D.
E.
7.  A population:
A.
B.
C.
D.
E.
8.  Expotential growth can continue indefinitley only if:
A.
B.
C.
D.
E.
9.  Which of the following statements about maximum sustainable yield is incorrect?
A.
B.
C.
D.
E.
10.  Approximatley what was the human population of the world in the year 1950?
A.
B.
C.
D.
E.
11.  A primary difference in the age-pyramids of industrialized versus third-world countries is that:
A.
B.
C.
D.
E.
12.  On average, which leaves more offspring that survive to become adults and reproduce: a pair of elephants or a pair of rabbits?
A.
B.
C.
D.
E.
13.  There is a tradeoff between the number of offspring an organism can produce and the amount of care the organism can provide for its offspring. This statement is:
A.
B.
C.
D.
E.
14.  Which of the following statements about the hazard factor of a population is incorrect?
A.
B.
C.
D.
E.
15.  What may happen when a population exceeds its carrying capacity?
A.
B.
C.
D.
E.
16.  A population of scarab beetles has an annual per capita birth rate of 0.8 and an annual per capita death rate of 0.5. Estimate the number of individuals added to or lost from a population of 1000 individuals in one year.
A.
B.
C.
D.
E.
17.  How does expotential growth differ from logistic growth?
A.
B.
C.
D.
E.
18.  A life history of an organism does NOT consist of the organisms:
A.
B.
C.
D.
E.
19.  Dr. David Reznick has studied life history evolution in guppies that live in streams in trinidad. Guppies are found in two different types of habitat: sites where predation is high, and sites where predation is low. Which of the following life history characteriscs would you expect to evolve in a guppy population living in a high-predation site?
A.
B.
C.
D.
E.
20.  The demographic transistion:
A.
B.
C.
D.
E.
21.  Which of the following mammals would you expect to have the shortest gestation period?
A.
B.
C.
D.
E.
22.  Natural selection:
A.
B.
C.
D.
E.
23.  The term [(K-N)/K] influences a population growth curve such that:
A.
B.
C.
D.
E.
24.  The age-structure diagram of a human population in a developing country has the shape of:
A.
B.
C.
D.
E.
25.  Which of the following is TRUE about estimating human carrying capacity?
A.
B.
C.
D.
E.
26.  The purpose of a population model is to:
A.
B.
C.
D.
E.
27.  Which of the following is NOT true about a population?
A.
B.
C.
D.
E.
28.  In general, there is a positive correlation between body size and generation time. This statement is:
A.
B.
C.
D.
E.
29.  In 1900, the world had a human population of approximately _____________________, and, in 2000, the world had a human population of approximatley __________________.
A.
B.
C.
D.
E.
30.  In a population exhibiting logistic growth, the rate of the population growth is greatest when N is:
A.
B.
C.
D.
E.
31.  In logistic population growth, as the population size, N, approaches the environments carrying capacity, K, what happens to the rate of population increase?
A.
B.
C.
D.
E.
32.  As of 2008, approximatley how many humans live on Earth?
A.
B.
C.
D.
E.
33.  Which of the following shows the correct order of ecological levels, from lowest to highest in complexity?
A.
B.
C.
D.
E.
34.  The "demographic transistion" seen in human population ultmately results in:
A.
B.
C.
D.
E.
35.  A population with an S-shaped growth curve is said to exhibit ___________ growth.
A.
B.
C.
D.
E.
36.  The death rate of organisms in a population exhibiting a type 3 survivorship curve is:
A.
B.
C.
D.
E.
37.  If there are 500 individuals in a population at the start of a year, and during the year 125 offspring are produced in that population, then the annual birth rate is:
A.
B.
C.
D.
E.
38.  The population size that a particular habitat can support indefinitley is called the:
A.
B.
C.
D.
E.
39.  If r= 1.05 for a population at a given time (t) when N= 100 , what will the population size be at time t+2 (two generations later)?
A.
B.
C.
D.
E.
40.  During logistic growth, the per capita rate of increase:
A.
B.
C.
D.
E.
41.  The purpose of a population model is to:
A.
B.
C.
D.
E.
42.  Which of the following is NOT a mechanism by which humans have so far avoided growth beyond their carrying capacity?
A.
B.
C.
D.
E.
43.  Life histories are based on:
A.
B.
C.
D.
E.
44.  Which of the following was discovered as a result of the fruit fly life-extension experiment?
A.
B.
C.
D.
E.
45.  Which statement best describes expectations for world human population by the year 2010?
A.
B.
C.
D.
E.
46.  A survivorship curve that had low survivorship in the beginning and stabilized after high initial mortality would be characterisitic for which type of organism?
A.
B.
C.
D.
E.
47.  In the lynx-snowshoe hare oscillating cycle of population growth, when the hare population size grows, more food is provided for the lynx. Which is the IMMEDIATE next step in the cycle?
A.
B.
C.
D.
E.
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