population   9 videos

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  Population Ecology

  Biology Ecology

  Understanding the parts of population ecology.

  population ecology interact population growth selection strategies population distribution demographics population evolution
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  Evolution of Populations

  Biology Evolution

  How populations evolve.

  evolution populations genetic drift natural selection
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  Population Density

  Biology Ecology

  Understanding population density.

  population density high density low density increased competition
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  Population Growth

  Biology Ecology

  Understanding the effects of population growth.

  population growth exponential growth logistic growth density independent density dependent abiotic biotic
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  Average Rate of Change

  Calculus The Derivative

  How to compute the average rate of change of a population over an interval of time.

  average rate of change population time change in population change in time population models rate of increase
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  Survey and sample methods

  Pre-Algebra Introductory Statistics

  Vocabulary of population parameters and sample statistics

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  Dispersion

  Biology Ecology

  The effects of dispersion.

  population spreading dispersion seed dispersal
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  Exponential Growth and Decay

  Precalculus Exponential and Logarithmic Functions

  How to find the doubling time of a population when the growth rate is given.

  exponential growth exponential functions doubling time logarithmic functions the natural logarithm round off error
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  Biodiversity

  Biology Conservation Biology

  The concept of biodiversity.

  biodiversity health of population genetic diversity landscape diversity ecosystem diversity