Crash Course Biology

Crash Course Biology

Speciation: Of Ligers & Men (1x15)


Air date: May 07, 2012

Hank explains speciation - the evolutionary process by which new biological species arise - in terms of finches, ligers, mules, and dogs.

  • Premiered: Jan 2012
  • Episodes: 90
  • Followers: 6
  • Ended
  • YouTube
  • Monday at 17