Ch 1 The Science of Biology Review

Front

What is the goal of science?

Back

To provide natural and testable explanations for events in the natural world and to use these explanations to make useful predictions.

Front

What does thirst indicate in the body?

Back

Thirst is a signal that the body needs more water to maintain homeostasis.

Front

What is a scientific theory?

Back

A well-tested explanation that unifies a broad range of observations.

Front

What is a hypothesis?

Back

A tentative scientific explanation that can be tested by further observation or experimentation.

Front

What is the dependent variable in an experiment?

Back

The factor that is observed and measured in an experiment.

Front

What is homeostasis?

Back

The process by which living organisms maintain a stable internal environment.

Front

What is the difference between a hypothesis and a theory?

Back

A hypothesis is a tentative explanation, while a theory is a well-tested explanation that has been supported by a large body of evidence.

Front

What is an independent variable?

Back

The factor that is manipulated or changed in an experiment.

Front

What is a control group?

Back

The group in an experiment that does not receive the experimental treatment and is used for comparison.

Front

What is the scientific method?

Back

A systematic approach to problem-solving that involves observation, hypothesis formation, experimentation, and conclusion.