TAKE NOTES ON THESE TWO TERMS! They appear on the AP exam but are NOT in our textbook!
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TAKE NOTES ON THESE TWO TERMS! They appear on the AP exam but are NOT in our textbook! Biotic Potential: capacity for growth factors allow a population to increase under ideal conditions, potentially leading to exponential growth

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TAKE NOTES ON THESE TWO TERMS! They appear on the AP exam but are NOT in our textbook!

  • Biotic Potential: capacity for growth

    • factors allow a population to increase under ideal conditions, potentially leading to exponential growth

    • Intrinsic rate of increase (r) = rate of population growth if resources were unlimited

  • Environmental Resistance: factors acting jointly to limit the growth of a population

    -- no population can grow indefinitely

    • affect the young more than the elderly in a population, thereby affecting recruitment (survival to reproductive age)

    • Allows for die-offs after overshoots


Red curve = biotic potential but are NOT in our textbook!

Overshoots and die-offs due to environmental resistance


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