5.1 Evidence for Evolution 5.2 Natural Selection 5.3 Classification of Biodiversity 5.4 Cladistics
This set of notes covers Topic 5 in its entirety. Notes for each section are available individually in each subpage.
"The Origin of Tetrapods" by BioInteractive (17:27)
This video examines the search for intermediate evolutionary species between
fish and four-legged land animals (tetrapods). It outlines the discovery of
Tiktaalik in the Canadian arctic.
This video outlines the process by which the ice fish has evolved to live in freezing waters surrounding the Antarctic.
Ice Fish Film with Quiz by HHMI BioInteractive (13:14)
Pocket Mouse Film with Quiz by HHMI BioInteractive (10:29)
Beak of the Finch Film with Quiz by HHMI BioInteractive (15:54)
Crayfish Create a New Species of Female 'Superclones'
This short article, prepared by Elizabeth Pennisi for sciencemag.org, describes how a genetic mutation has almost instantaneously led to the formation of a new species of crayfish.