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Lecture 2

BIOL 1115 Lecture Notes - Lecture 2: Biome, Prokaryote, Organism

2 pages79 viewsSpring 2018

Department
Biology
Course Code
BIOL 1115
Professor
Kenneth Nauman
Lecture
2

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CHARACTERISTICS OF LIVING THINGS
1Studied at diff .levels of complexity
>biosphere ecosystem 3biome community population Organism
>
organism organ Tissue cells organelles
molecules
@
living bnon -living Things made of same elements but in different proportions
3
living be non -living follow same physical laws
first law of thermodynamics
-
Ecan't be created Or destroyed
organisms can't create E get outside body
second law Of thermodynamics
-
Etransformations tend To increase disorder ,randomness (entropy )
°
each transformation SOME E becomes Unstable
4
all life comes from pre -existing life
5
cells
>
eukaryotic have organelles (more complex )
>
prokaryotic No organelles (simpler )
>metabolism :
-
breakdown molecules
.
build molecules
.
transform energy
>
use ATP
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