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Biology
Vocab Chapter 1
25
Biology
Undergraduate 1
08/31/2014

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Term
Cells
Definition
The smallest units of life
Term
Metabolism
Definition
All chemical reactions that occur within living things. Used to extract energy from various nutrients.
Term
Homeostasis
Definition
The relatively constant and self-correcting internal environment of a living organism
Term
Adaptive Trait
Definition
traits that help an organism survive and reproduce in its natural environment
Term
Population
Definition
Individuals of the same species (that can interbreed) living in a distinct geographic area
Term
Ecosystem
Definition
includes all the living organisms in a community along with their physical environment
Term
Biosphere
Definition
The part of the earth that supports life
Term
Science
Definition
a systematic approach to answering questions about the things humans observe
Term
Scientific Method
Definition
a way of learning about the natural world by applying certain rules of logic to the way information is gathered and conclusions are drawn
Term
Hypothesis
Definition
An educated guess about the answer to a question
Term
Controlled Experiment
Definition
Research subjects are randomly divided into two groups
Term
Control Group
Definition
The group in which the variable is unaltered for comparison to the other group
Term
Experimental Group
Definition
The group in which the variable is altered
Term
Variable
Definition
The factor that differs between the control group and experimental group
Term
Conclusion
Definition
An interpretation of the results of the data
Term
Statistical Significance
Definition
A measure of the possibility that the results were due to chance
Term
Theory
Definition
A well-supported and wide-ranging explanation of some aspect of the physical universe
Term
Inductive Reasoning
Definition
Facts are accumulated through observation until the sheer weigh of the evidence allows some logical general statement to be made
Term
Deductive Reasoning
Definition
A logical progression of thought proceeding from the general the specific. Making specific deductions based of a larger generalization or premise. "If-Then"
Term
Placebo
Definition
An innocuous, non-drug made to look like the drug being tested
Term
Informed Consent
Definition
Lists all the possible harmful effects of the drug or treatment and must be signed before a person can take part in a study
Term
Information Literacy
Definition
Involves the ability to recognize what you need to know, locate relevant information, evaluate it, apply it to the problem at hand, and communicate it effectively
Term
Information Technology Literacy
Definition
Much of the information that comes to us through technology
Term
Community
Definition
all living species that can potentially interact in a particular geographic area
Term
Molecule
Definition
The chemical components of cells
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