Biopedia

56- Three Types of Selection

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Natural selection is not just one phenomenon, but can be spliced into different types depending on what its action results in. Today's episode will examine disruptive selection, stabilising selection and directional selection; what they are, what their effects on populations are and some examples we see in the natural world.


Sources for this episode:

  • Allaby, M., (2020), A Dictionary of Zoology (Oxford Quick Reference), 5th edition, Oxford, Oxford University Press.
  • Cain, M. L., Bowman, W. D. and Hacker, S. D. (2011), Ecology (Second Edition). Sunderland, Massachusetts, Sinauer Associated Ltd.
  • Campbell, N. A., Urry, L. A., Cain, M. L., Wasserman, S. A., Minorsky, P. V. and Reece, J. B. (2018), Biology: a global approach, 11th edition (Global Edition), Harlow, Pearson Education Limited.
  • Hine, R. (2019), A Dictionary of Biology (Oxford Quick Reference), 8th edition, Oxford, Oxford University Press.
  • Thain, M. and Hickman, M. (2014), Dictionary of Biology (Eleventh Edition). London: Penguin Books Ltd.
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