Glossary of Biology chapter 1.

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organized way of using evidence to learn about the natural world, also, the body of knowlege that scientists have built up after years or using this process.
use of one or more of the senses -- sight, hearing, touch, smell, and sometimes taste -- to gather information.
evidence, information gathered from observations.
logical interpretations based on prior knowledge and experience.
possible explanation for a set of observations or possible answer to a scientific question
Spontaneous generation
hypothesis (disproven) stating that life could arise from nonliving matter.
controlled experiment
factor in an experiment that a scientist purposely keeps the same.
Manipulated Variable
factor in an experiment that a scientist purposely changes; also known as independent variable.
Responding Variable
factor in an experiment that a scientists wants to observe, which may change in response to the manipulated variable, also known as a dependent variable.
well-tested explnation that unifies a broad range of observations.
the study of life. science that seeks to understand the living world.
collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of all forms of life.
sexual reproduction
process by which two cells from different parents unite to produce the first cell of a new organism.
asexual reproduction
process by which a single parent reproduces by itself.
set of chemical reactions through which an organism builds up or breaks down materials such as it carries out its life processes.

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