Item Details

The Human Influence [electronic resource]

Granada Media (Firm)
Format
Video; Computer Resource; Online Video; Online
Summary
This program illustrates how natural selection works to enable a species to adapt to adverse environments; shows how human breeding of desirable varieties-which antedates by millennia any theories of genetics or evolution-often overrode natural selection; demonstrates how species can be changed by artificial selection and in response to human interference with the environment; and explains the desirability of preserving the gene pool. After viewing the program, students should understand how environmental changes and artificial selection alter the random variability in a population, how breeders strengthen rather than create variation, and why it is so important to preserve the gene pool.
Release Date
2005
Run Time
20 min.
Language
English
Notes
  • Encoded with permission for digital streaming by Films Media Group on Sept. 19, 2005.
  • Films on Demand is distributed by Films Media Group for Films for the Humanities & Sciences, Cambridge Educational, Meridian Education, and Shopware.
Series
Evolution: The Evidence for Modern Ideas on Evolution
Evolution, the Evidence for Modern Ideas on Evolution
Contents
  • Surviving Adverse Conditions (5:16)
  • Random Variation and Natural Selection (3:01)
  • Artificial Selection: The Story of Wheat (3:08)
  • Man Alters the Course of Evolution (4:43)
  • Genetic Variability of Wild Wheat (3:21)
Published
New York, N.Y. : Films Media Group, [2005], c1988.
Publisher no.
  • 811 Films Media Group
  • 907s Films Media Group
Access Restriction
Access requires authentication through Films on Demand.
Description
1 streaming video file (20 min.) : sd., col., digital file.
Mode of access: Internet.
System requirements: FOD playback platform.
Technical Details
  • Access in Virgo Classic

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    a| Surviving Adverse Conditions (5:16) -- Random Variation and Natural Selection (3:01) -- Artificial Selection: The Story of Wheat (3:08) -- Man Alters the Course of Evolution (4:43) -- Genetic Variability of Wild Wheat (3:21)
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    a| This program illustrates how natural selection works to enable a species to adapt to adverse environments; shows how human breeding of desirable varieties-which antedates by millennia any theories of genetics or evolution-often overrode natural selection; demonstrates how species can be changed by artificial selection and in response to human interference with the environment; and explains the desirability of preserving the gene pool. After viewing the program, students should understand how environmental changes and artificial selection alter the random variability in a population, how breeders strengthen rather than create variation, and why it is so important to preserve the gene pool.
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    a| Biodiversity.
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    a| Heredity, Human.
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    a| Human ecology.
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    a| Human evolution.
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    a| Nature x| Effect of human beings on.
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