Biology A Guide to the Natural World Chapter 1 Flashcard Example #77787

biology
The study of life.
evolution
Any genetically based phenotypic change in a population of organisms over successive generations.
hypothesis
A tentative, testable explanation of an observed phenomenon.
life sciences
A set of disciplines that focus on various aspects of the living world.
science
A means of coming to understand the natural world through observation and the testing of hypotheses.
scientific method
The process by which scientists investigate the natural world.
theory
A general set of principles, supported by evidence, that explains some aspect of nature.
variable
An element of an experiment that is changed compared to an initial condition.

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