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Lottie Peppers

Evolution: Darwin: An Origin of Species - 0 views

www.pbs.org/...index.html

Darwin evolution interactive PBS genetics adaptive radiation speciation

shared by Lottie Peppers on 25 Apr 13 - Cached
  • Lottie Peppers on 25 Apr 13
     
    web based activity on speciation and adaptive radiation
Lottie Peppers

The Biology of Skin Color | HHMI's BioInteractive - 1 views

www.hhmi.org/...biology-skin-color

HHMI Biointeractive skin color adaptation ultraviolet radiation short film human evolution

shared by Lottie Peppers on 21 Jul 15 - No Cached
  • Lottie Peppers on 21 Jul 15
     
    Penn State University anthropologist Dr. Nina Jablonski walks us through the evidence that the different shades of skin color among human populations arose as adaptations to the intensity of ultraviolet radiation in different parts of the world.
Lottie Peppers

Speciation and Extinction - YouTube - 0 views

www.youtube.com/watch

bozemanbiology speciation extinction evolution natural selection

shared by Lottie Peppers on 30 Oct 14 - No Cached
  • Lottie Peppers on 30 Oct 14
     
    Paul Andersen details the evolutionary processes of speciation and extinction. Stickleback evolution in Lake Loberg is used as example of rapid speciation. Adaptive radiation is illustrated using the Hawaiian honeycreeper. A brief discussion of extinctions and mass extinctions is also included.
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