{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

BIO.midtermreview1 - Monday What is life Adaptation Why...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Monday August 31 2009 What is life? Adaptation Why study biology? o disease o ecosystem changes What is science? Types of experiments Types of reasoning What is a scientific theory? Wednesday, Sept 2, 2009 Biology before Darwin o Species are fixed and unchanging. - Linnaeus: Classification and a ladder-like hierarchy of life. o New Idea: Species can change (evolve). - Jean-Baptiste Lamark: Proposed the inheritance of acquired traits - EG Saint-Hillaire: Homology · Darwin: The theory of evolution by natural selection. o Alfred Russell Wallace · Darwin’s influences o Observations: HMS Beagle o Georges Cuvier: Fossils o Charles Lyell: Uniformitarianism, ancient earth. o Thomas Malthus: Competition o Artificial Selection: ex: Pigeons and wild mustard · Darwin made other important contributions (sexual selection…) o Single origin of life · Natural Selection is a mechanism to explain the process of evolution · “Descent with modification” results in first phylogenetic tree. · Nested classification · Evolution is a non-random process Friday, Sept 4 2009 Adaptation ex. Evolution of eyes Photoreceptor cells likely evolved just once
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}