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Ch. 1
N/A
12
Biology
Undergraduate 1
05/14/2009

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Term
Biology
Definition
The scientific study of living things
Term
Life
Definition
An organized genetic unit capable of metabolism, reproduction, and evolution
Term
Metabolism
Definition
The total chemical activity of a living organism, consists of thousands of individual chemical reaction
Term
Homeostasis
Definition
A humans constant body temperature
Term
Biological Evolution
Definition
A change in the genetic composition of a population of organisms over time
Term
Adaptation
Definition
The differences among living things that enable them to live in different kinds of enviroment and adopt different lifesyles
Term
Natural Selection
Definition
Differential survival and reproductive success of individuals
Term
Chemical Reaction
Definition
Random inorganic chemical interactions produced molecules that had the remarkable property of acting as templates to form similar molecules
Term
Prokaryote Cells
Definition
No internal membrane enclosed compartments. Very simple
Term
Photosynthesis
Definition
The ability to use the energy of sunlight to power metabolism. All cells must obtain raw material and  energy to fuel their metabolism
Term
Cyanobacteria
Definition
Early photosynthetic cells were probably similar to present day prokaryotes
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