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Introduction to Biology
Characteristics of Life and the nature of science
16
Biology
9th Grade
01/25/2012

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Term
Biology
Definition
The science of life
Term
Organism
Definition
Anything that has or once had all of the characteristics of life
Term
Organization
Definition
Components of living things are arranged in an orderly way
Term
Growth
Definition
The addition of mass to an organism
Term
Development
Definition
The process of natural changes that take place during the life of an organism
Term
Reproduction
Definition
The production of offspring
Term
Species
Definition
A group of organisms that can breed with one another and produce fertile offspring
Term
Stimulus
Definition
Anything that is part of an organism's internal or external environment that causes some sort of reaction by the organism
Term
Response
Definition
The reaction to a stimulus
Term
Homeostasis
Definition
Maintaining constant internal conditions
Term
Adaptation
Definition
Any inherited characteristic that results from changes to a species over time.
Term
Science
Definition
A body of knowledge based on the study of nature
Term
Theory
Definition
An explanation of a natural phenomenon supported by many observations and experiments over time.
Term
Examples of theories
Definition
Cell theory, atomic theory, gravitational theory, theory of evolution, big bang theory
Term
Ethics
Definition
a set of moral principles or values
Term
Characteristics of Life
Definition
Made of cells; displays organization; grows and develops; reproduces; responds to stimuli; uses energy; maintains homeostasis; adaptations evolve over time
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