Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
What happens to a population when it reaches the carrying capacity of its ecosystem?
the death rate always exceeds the birth rate
the population continues to grow exponentially
the birth rate exceeds the death rate
the population size may stabilise or decrease
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Which of the following are examples of limiting factors on population size?
competition and predation
availability of food and water
natural disasters
all of the above
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What is the term for the maximum population size an ecosystem can sustainably support?
population dynamics
exponential growth
limiting factor
carrying capacity
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Which of the following best describes density-dependent limiting factors?
their impact increases as the population size increases
they are unaffected by population size
they can lead to extinction
their impact remains constant regardless of population size
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Which of the following is an example of a density-independent limiting factor?
predation
natural disasters
disease
competition for resources
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Which of the following is NOT a characteristic of populations?
they are dynamic
they remain constant in composition
they change in size over time
they change in composition over time
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What happens to a population during the period of rapid growth in a population growth curve?
the population size decreases
the population size stabilises
the population size remains constant
the population expands exponentially
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What type of scale might be used to depict the exponential phase of a population growth curve in order to see all the data points most clearly?
logarithmic scale
linear scale
arithmetic scale
exponential scale
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Which of the following is an example of a biotic limiting factor?
availability of space
availability of water
natural disasters
competition
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Which of the following is an example of an abiotic limiting factor?
availability of water
disease
predation
competition
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What happens to a population when it exceeds the carrying capacity of its ecosystem?
the population size stabilises
the population size continues to grow exponentially
the population size remains constant
the population size decreases
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Describe and explain the 3 distinct phases of a population growth curve.
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