CH 1 Notes

CH 1 Notes - OMAI NS: ) Bacter ia ) Ar chaea ) Eukar ya...

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Unformatted text preview: OMAI NS: ) Bacter ia ) Ar chaea ) Eukar ya prokar yotes (no nucleus) single-celled eukar yot es (w/ nucleus) single or multicelled nc. protists, plants, fungi, animals BIO NOTES Ch. 1 (Introduction) I. Levels of Organization nature = every non-man-made substance/energy/event/force Levels: atom molecule cell { tissue organ organ system organism } population community ecosystem biosp here emergent property = characteristics of a system that are not present in its components o ex: Life molecules are not alive, but they can form a living cell. I I. Lifes Unity Energy = capacity to do work nutrient = atom/molecule w/ essential role in growth and survival Producers make their own food (ex: plants thru photosynthesis), and consumers get energy/nutrients from producers (ex: animals ) Producers/consumers cycle nutrients ; energy flows in one direction receptor = molecule/cell structure that responds to stimulation...
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This note was uploaded on 09/21/2008 for the course BIOL 101 taught by Professor Hogan during the Spring '08 term at UNC.

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CH 1 Notes - OMAI NS: ) Bacter ia ) Ar chaea ) Eukar ya...

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