Chapter 1 The Science of Biology (SAVVAS)

Front

What is the variable that is observed and changes in response to the independent variable?

Back

The dependent variable.

Front

What is an experiment in which only one variable is changed or tested?

Back

A controlled experiment.

Front

What do we call the signals to which an organism responds?

Back

Stimulus.

Front

What is the genetic material that organisms inherit from their parents?

Back

Deoxyribose Nucleic Acid (DNA).

Front

What is a well-tested explanation for a broad range of natural events called?

Back

Theory.

Front

What is the variable that is manipulated in an experiment?

Back

The independent variable.

Front

What is the process of making an educated guess based on observations called?

Back

Hypothesis.

Front

What term describes a statement that describes a consistent relationship observed in nature?

Back

Law.

Front

What is the term for the change in an organism's behavior or physiology in response to a stimulus?

Back

Response.

Front

What is the basic unit of life?

Back

Cell.