# Populations Section 1

## Quiz by Devon Roesener

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22 questions
• Q1
A _____ is a group of organisms that belong to the same species and live in a particular place at the same time.
community
ecosystem
population
species
30s
• Q2
A population's size is...
the number of births within the population
the number of individuals that the population contain.
the number of species within the population
the number of deaths plus the number of births within the population
30s
• Q3
_____ is a fundamental and important population property but can be difficult to measure.
age structure
birth rate
death rate
size
30s
• Q4
_____ measures how crowded a population is.
population density
age structure
death rate
birth rate
30s
• Q5
_____ is the spatial distribution of individuals within the population.
distribution
displacement
dislocation
dispersion
30s
• Q6
Distribution where individuals are clustered togetjer/
random
scattered
clumped
uniform
30s
• Q7
Distribution where where individuals are separated by a fairly consistent distance.
uniform
clumped
random
scattered
30s
• Q8
Distribution where each individual's location is independent of the locations of other individuals in the population.
uniform
random
scattered
clumped
30s
• Q9
All population ____ change in size and composition over time.
species
protections
dynamics
individuals
30s
• Q10
The number of births occurring in a period of time.
mortality rate
age structure
birth rate
life expectancy
30s
• Q11
The number of deaths in a period of time
mortality rate
life expectancy
age structure
birth rate
30s
• Q12
How long on average an individual is expected to live.
mortality rate
life expectancy
age structure
birth rate
30s
• Q13
The distribution of individuals among different ages in a population.
birth rate
life expectancy
mortaility rate
age structure
30s
• Q14
A graph of the mortality data of a population; indicates the probability that individuals will survive to any given age.
survivorship curve
population dynamic curve
age structure graph
mortality data graph
30s
• 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

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