Ch. 1 PP - Chapter 1(pp.3-20 Overview of some bio...

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Unformatted text preview: Chapter 1 (pp.3-20) Overview of some bio- concepts & themes Learning objectives: • Explain the relationship between “hierarchy” and “emergent properties”. • Understand the concept of “reductionism” and its usefulness in bio- research. • Know a mnemonic for remembering the current taxonomic classifications. • Describe the basis of Darwin’s idea of natural selection. What was he thinking? • Know what properties something must have to be considered “alive”. • Describe the role of “observation” and the “formal” steps involved in the ‘scientific method’ Fig. 1-4 The biosphere Communities Populations Organisms Ecosystems Organs and organ systems Cells Cell Organelles Atoms Molecules Tissues 10 µm 1 µm 50 µm Each level is more complex than the preceding level A Hierarchy of biological organization – what does this mean? Simply – There are many levels of biological organization, from atoms to the biosphere. [see http://micro.magnet.fsu.edu/promer/java/scienceopticsu/powersof10/ ] • A system – Is a combination of components that form a more...
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Ch. 1 PP - Chapter 1(pp.3-20 Overview of some bio...

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