November20LecNotes - (ppt) Routine Class Matters ~ Reading...

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(ppt) Routine Class Matters ~ Reading assignments for Today Chp 34 and Chp 37. and for the Tuesday after Thanksgiving Chp 38. (ppt) Figure 1.1 Life’s levels of organization define the scope of biology, the scientific study of life. • So, what is a level of organization ? • How does position in the hierarchy of life relate to size and abundance ? • Where is the boundary between “skin-in ” and “skin-out ”? (ppt) Clicker Question Answer = E Regarding the next SERIES of ppt slides ~ KNOW THE FOLLOWING INFORMATION ABOUT EACH OF THE EFOLLOWING PPT SLIDES THAT SUMMARIZE MAJOR ECOLOGICAL -CYCLES: 1. What is being cycled? 2. Where is ____ stored in the cycle? [the blank is the element in question] 3. What drives the cycle? (ppt) Biogeophysical cycles for CARBON (ex. Fig 37.17). Chemicals are cycled with some storage capacity within the ecosystem (e.g. Carbon dioxide in the atmosphere). • The phosphorus cycle depends on the weathering of rock • Phosphorus and other soil minerals are recycled locally • Why do we need phosphorus? (ppt) Water Cycle (refer to ppt image) Where is water stored? What drives this cycle? Very important cycle as life is water based (our cells are approximately 80-90%
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This note was uploaded on 10/21/2009 for the course BIO G 109 at Cornell.

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November20LecNotes - (ppt) Routine Class Matters ~ Reading...

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