# Populations Section 1

## Quiz by Devon Roesener

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22 questions

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- Q1A _____ is a group of organisms that belong to the same species and live in a particular place at the same time.communityecosystempopulationspecies30s
- Q2A population's size is...the number of births within the populationthe number of individuals that the population contain.the number of species within the populationthe number of deaths plus the number of births within the population30s
- Q3_____ is a fundamental and important population property but can be difficult to measure.age structurebirth ratedeath ratesize30s
- Q4_____ measures how crowded a population is.population densityage structuredeath ratebirth rate30s
- Q5_____ is the spatial distribution of individuals within the population.distributiondisplacementdislocationdispersion30s
- Q6Distribution where individuals are clustered togetjer/randomscatteredclumpeduniform30s
- Q7Distribution where where individuals are separated by a fairly consistent distance.uniformclumpedrandomscattered30s
- Q8Distribution where each individual's location is independent of the locations of other individuals in the population.uniformrandomscatteredclumped30s
- Q9All population ____ change in size and composition over time.speciesprotectionsdynamicsindividuals30s
- Q10The number of births occurring in a period of time.mortality rateage structurebirth ratelife expectancy30s
- Q11The number of deaths in a period of timemortality ratelife expectancyage structurebirth rate30s
- Q12How long on average an individual is expected to live.mortality ratelife expectancyage structurebirth rate30s
- Q13The distribution of individuals among different ages in a population.birth ratelife expectancymortaility rateage structure30s
- Q14A graph of the mortality data of a population; indicates the probability that individuals will survive to any given age.survivorship curvepopulation dynamic curveage structure graphmortality data graph30s
- Q15
Once can estimate a population's size by counting individuals in a sample of the population if the . . .

sample size is larger than the population size

dispersion in the sample is less than that in the population

distribution of individuals in the ample is the same as that in the population

density in the sample is greater than the population density

30s