BIO SCI 1A Lecture Notes - Lecture 8: Algae, Selective Breeding, Cambrian Explosion
5 Mar 2016
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By monday at noon, you have to send an email to grant. I want a substantial article from the internet about evolution (early humans, sex, as long as its relevant to evolution). All you have to do is write your name, id, bio 1a, give title to the article, and source from the internet. And summarize in 250 words (grammar and spelling) what you found in the article. Need to reflect genealogical relations, not just similarity in appearance. Goal of taxonomy became to reflect phylogeny tribe source . Came up with phylogenetic tree, which expresses relationships among species. Branches closest to one another represent the common ancestor. Other groupings are arbitrary, only have relative meaning. Groupings in the tree does not indicate recency of ancestry. Jorge luis borges and a certain chinese encyclopedia known as: the heavenly emporium of. Cyanobacteria allowed for photosynthesis, leading to oxygen. Bacteria and archaea are prokaryotes: most successful creatures on the planet.
