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Biology 150 - Chapter 10 LEARN Quiz
Description
Biology 150 (Organismal and Evolutionary Ecology), Chapter 10 (Population Ecology) LEARN Quiz
No tags specified
biology
ecology
biology 150
final exam review
university
Quiz by
Laurel McLaughlin
, updated more than 1 year ago
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Created by
Laurel McLaughlin
almost 10 years ago
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Resource summary
Question 1
Question
In exponential population growth, r increases as population size increases.
Image:
exponential-growth-graph.JPG (image/JPG)
Answer
True
False
Question 2
Question
Population growth rates are usually close to r(max).
Answer
True
False
Question 3
Question
If r=0.2 for a population, population size is:
Answer
decreasing
neither; r does not indicate population growth
increasing
stable
Question 4
Question
Carrying capacity, or K, is:
Answer
variable in time and space
an indicator of fecundity
fixed for each population
a feature of exponential population growth
Question 5
Question
Logistic population growth is density-dependent.
Answer
True
False
Question 6
Question
Population growth rate can be defined as:
Answer
change in number of individuals per unit time
the maximum number of individuals a habitat can support
birth rate x death rate
mass gained by individuals per unit time
Question 7
Question
A hurricane wipes out most of a population of palm trees. This type to limiter of population growth is:
Image:
hurricane-palm-trees (image/jpg)
Answer
density-dependent
density-independent
negative exponential
logistic
Question 8
Question
What kind of population growth curve is this?
Image:
pop_growth (image/jpg)
Answer
linear
logistic
exponential
parabolic
Question 9
Question
Exponential population growth is density-independent.
Answer
True
False
Question 10
Question
In what type of species would r(max) be highest?
Answer
young age-at-maturity, few offspring
young age-at-maturity, many offspring
old age-at-maturity, many offspring
old age-at-maturity, few offspring
Question 11
Question
What limits growth of hare populations?
Image:
Baby-Hare-550x412 (image/jpg)
Answer
predation by lynx
food availability
space
both a and b
none of the above
Question 12
Question
Which of the following statements about metapopulations is FALSE?
Answer
a metapopulation is a population of populations
populations that have gone extinct can be restored
overall population size (summing all patches) is constant
there are 'core' populations that never go extinct
Question 13
Question
In a metapopulation, there is a balance between extinction and (re)colonization.
Answer
True
False
Question 14
Question
Many of the hypotheses that have been developed to explain population cycles (including in hares) involve:
Answer
density-dependent factors
density-independent factors
carrying capacity
age-specific factors
Question 15
Question
Projections for human population growth depend primarily on what factor?
Image:
human-population-growth (image/jpg)
Answer
infant mortality rates
overall survivorship
fertility rates in women
disease eradication
Question 16
Question
Which of the following is TRUE about the current status of the human population?
Answer
the population is increasing, but r is decreasing
the population is increasing; r=0.5
the population is increasing, and r is increasing
the population is stable; r (population growth rate) = 0
Question 17
Question
You are a human demographer, and you see an age pyramid that looks like the figure below. What would you say about this population?
Image:
pop_pyramid (image/jpg)
Answer
the population is growing rapidly
none of the above
the population is dominated by people past reproductive age
the population has reached carrying capacity
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