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Chapter 21 Populations and Communities

Quiz by Mrs. Jewell

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26 questions
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  • Q1
    part of Earth in which life exists including land, water, and air or atmosphere
    Biosphere
    30s
  • Q2
    All the different populations that live together in an area
    Community
    30s
  • Q3
    A group of individuals that belong to the same species and live in the same area
    Population
    30s
  • Q4
    the struggle between organisms to survive in a habitat with limited resources
    competition
    30s
  • Q5
    An environmental factor that prevents a population from increasing
    limiting factor
    30s
  • Q6
    Number of individuals per unit area
    population density
    30s
  • Q7
    The maximum rate at which a population could increase under ideal conditions
    biotic potential
    30s
  • Q8
    Largest number of individuals of a population that a environment can support
    carrying capacity
    30s
  • Q9
    too many people in one place for the resources available
    Overpopulation
    30s
  • Q10
    the number of births in a population in a certain amount of time
    birth rate
    30s
  • Q11
    The number of deaths in a population in a certain amount of time
    death rate
    30s
  • Q12
    Growth pattern in which the individuals in a population reproduce at a constant rate
    exponential growth
    30s
  • Q13
    A term that typically describes a species that no longer has any known living individuals.
    Extinction
    30s
  • Q14
    A species whose numbers are so small that the species is at risk of extinction
    endangered species
    30s
  • Q15
    A species that could become endangered in the near future
    threatened species
    30s

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