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Chapter 1
Notes for chapter 1
22
Biology
Undergraduate 2
09/09/2009

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Term
Biosphere
Definition
All the enviorbments on earth that support life.
Term
Ecosystem
Definition
All the organisms living in a particular area
Term
Community
Definition
The array of organisms living in a particular ecosystem
Term
Population
Definition
All individuals of a species within a specific area
Term
Organism
Definition
An specific individual within a population
Term
Organ system
Definition
Have specific functions; are composed of organs.
Term
Organs
Definition
Provide specific functions for th organism
Term
Tissues
Definition
Made of groups of similar cells
Term
Cells
Definition
Living entities distinguished from their enviornment by a membrane
Term
Organelles
Definition
Membrane-bound structures with specific functions
Term
Molecules
Definition
Clusters of atoms
Term
Producers
Definition
Photosynthetic organisms provide food
Term
Consumers
Definition
Others eat plants (or animals that profit from plants)
Term
Prokaryotic
Definition
simple and small, bacteria
Term
Eukaryotic
Definition
organells separated by a membrane(nucleolus) plants animal fungi
Term
Natrual Selection
Definition
an editing mechanism
Term
Discovery Science
Definition
discovery sciences uses obsercations and measurements to describe science
Term
Hypothesis based science
Definition
uses the data from discovery science to explain source
Term
Hypothesis
Definition
predisposed explnation for a set of observations.
Term
Theory
Definition
proven based on evidence
Term
Control group
Definition
the group that has nothing done to it.
Term
experimental group
Definition
one that is being treated in the experiment
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