1) In order to measure population density, what two factors are required? a) The perimeter of the area and the number of individuals. b) the death and birth rates c) Area of the space and the number of individuals 2) Which of these is an example of a density independent limiting factor? a) natural disaster b) food shortage c) decrease in prey 3) Example of type II survivorship curve? a) A turtle that its preyed as a hatchling. b) A bird that is preyed upon throughout its life c) The death of an elephant at old age 4) Which of the following is a density-dependent limiting factor that can influence population growth? a) Earthquake b) Drought c) Food availability 5) What factor limits population growth in the exponential phase of logistic growth? a) Availability of resources b) disease c) competition 6) What term describes the maximum number of individuals of a population that an environment can support? a) Carrying capacity b) population density c) birth rate 7) What type of growth pattern is characteristic of populations with unlimited resources and ideal conditions? a) logistic growth b) exponential growth c) stable growth 8) Which of the following factors is most likely to cause an increase in population growth rate? a) Decrease in competition for resources b) Increase in predation pressure c) Increase in disease outbreaks 9) In which type of population growth does the growth rate decrease as the population approaches its carrying capacity? a) stable growth b) exponential growth c) logistic growth 10) Intraspecific competition is a  a) competition between different species b) competition between same species c) competition between all species 11) What is a common outcome of intraspecific competition within a population? a) Increased cooperation among individuals. b) Greater genetic diversity. c) Decreased population density. 12) Which of the following scenarios best exemplifies intraspecific competition? a) Two zebras competing for the same patch of grass b) A hawk preying on a rabbit. c) A vulture and a hyena fighting over a the same death animal   13) Clumped dispersion . a) occurs when resources are evenly distributed within an ecosystem. b) occurs when individuals of the same species must compete for limited resources and territory c) Occurs when resources are spread unevenly within an ecosystem 14) Random dispersion a) Individuals gather into groups where resources are available. b) Occurs when resources are evenly distributed within an ecosystem. c) individuals of the same species must compete for limited resources and territory. 15) Uniform dispersion  a) individuals of the same species must compete for limited resources and territory. b) occurs when resources are spread unevenly within an ecosystem c) occurs when resources are evenly distributed within an ecosystem.

Ecology, population dynamics

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