Organized way of using evidence to learn about the natural world; also the body of knowledge that scientists have built up after years of using this process.

Use of one or more of the five senses to gather information.

Evidence; information gathered from observations

Logical interpretation based on prior knowledge and experience.

A possible explanation for a set of observations or possible answer to a scientific question; a testable statement.

Spontaneous Generation

Hypothesis (disproven) stating that life could arise from nonliving matter.

Controlled Experiment

A test of the effect of a single variable by changing it while keeping all other variables the same.

Factor in an experiment that a scientist purposely changes; also known as the independent variable.

Factor in an experiment that a scientist wants to observe, which may change in response to the manipulated variable; also known as a dependent variable.

Well-tested explanation that unifies a broad range of observations.

The branch of science that studies living things.

A state of stable internal conditions maintained by an organism.

Process by which cells from two different parents unite to produce the first cell of a new organism; union of gametes, exchange of genetic information.

Process by which a single parent reproduces by itself; there is no union of gametes or exchange of genetic information

A set of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes.

A signal to which an organism responds

Decimal system of measurement based on certain physical standards and scaled on multiples of 10.

Device that produces magnified images of structures that are too small to see with the unaided eye.

Compound Light Microscope

Microscope that allows light to pass through a specimen and uses two lenses to form an image.

Microscope that forms an image by focusing beams of electrons onto a specimen.

A group of cells grown in a nutrient solution from a single original cell.

Technique in which cells are broken into pieces and the different parts are separated.

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PH Bio Ch 1

Prentice Hall Biology Chapter 1 Vocabulary Terms

Term	Definition
Science	Organized way of using evidence to learn about the natural world; also the body of knowledge that scientists have built up after years of using this process.
Observation	Use of one or more of the five senses to gather information.
Data	Evidence; information gathered from observations
Inference	Logical interpretation based on prior knowledge and experience.
Hypothesis	A possible explanation for a set of observations or possible answer to a scientific question; a testable statement.
Spontaneous Generation	Hypothesis (disproven) stating that life could arise from nonliving matter.
Controlled Experiment	A test of the effect of a single variable by changing it while keeping all other variables the same.
Manipulated Variable	Factor in an experiment that a scientist purposely changes; also known as the independent variable.
Responding Variable	Factor in an experiment that a scientist wants to observe, which may change in response to the manipulated variable; also known as a dependent variable.
Theory	Well-tested explanation that unifies a broad range of observations.
Biology	The branch of science that studies living things.
Cell	The basic unit of all life.
Homeostasis	A state of stable internal conditions maintained by an organism.
Sexual Reproduction	Process by which cells from two different parents unite to produce the first cell of a new organism; union of gametes, exchange of genetic information.
Asexual Reproduction	Process by which a single parent reproduces by itself; there is no union of gametes or exchange of genetic information
Metabolism	A set of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes.
Stimulus	A signal to which an organism responds
Metric System	Decimal system of measurement based on certain physical standards and scaled on multiples of 10.
Microscope	Device that produces magnified images of structures that are too small to see with the unaided eye.
Compound Light Microscope	Microscope that allows light to pass through a specimen and uses two lenses to form an image.
Electron Microscope	Microscope that forms an image by focusing beams of electrons onto a specimen.
Cell Culture	A group of cells grown in a nutrient solution from a single original cell.
Cell Fractionation	Technique in which cells are broken into pieces and the different parts are separated.

Created by: jmglbrt

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