Download Population Ecology Holiday Homework BLANK

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AP Biology: Population Ecology
Part 1: Read pages 1190-1197 in Campbell Biology and take notes.
Part 2: Answer the following questions.
1. What is a population? (1 mark)
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2. What does ‘population density’ mean? (1 mark)
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3. Describe 3 methods ecologists might use to determine population density. (3
marks)
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4. What factors add and remove individuals from a population? (4 marks)
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5. Compare and contrast clumped and uniform patterns of dispersion, with an
example of each. (4 marks)
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6. What is Demography? (1 mark)
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7. What would happen to a population living in an environment with no external limits
on the abilities of individuals to harvest energy, grow, and reproduce? (1 mark)
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8. Give an example of a population that has grown exponentially. (1 mark)
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Part 3: Circle the correct answer.
1. In the figure, which of the following survivorship curves implies that an animal may
lay many eggs, of which a regular number die each year on a logarithmic scale?
a) curve A
b) curve B
c) curve C
d) curves A or C
2. In the figure, which of the following survivorship curves most applies to humans
living in developed countries?
a) curve A
b) curve B
c) curve C
d) curve A or curve B
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3. An ecologist recorded 12 white-tailed deer, Odocoileus virginianus, per square
kilometre (km2) in one woodlot and 20 km2 in another woodlot. What was the
ecologist comparing?
a) density
b) dispersion
c) carrying capacity
d) range
4. Uniform spacing patterns in plants such as the creosote bush are most often
associated with:
a) patterns of high humidity
b) the random distribution of seeds
c) competitive interaction between individuals of the same population
d) the concentration of nutrients within the population's range
5. Starting from a single individual, what is the size of a population of bacteria at the
end of a 2-hour time period if they reproduce by binary fission every 20 minutes?
(Assume unlimited resources and no mortality.)
a) 16
b) 32
c) 64
d) 128
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