Principles of Biology Exam 1

The study of life

Begins with specific observations(facts), draws general conclusion, used to form scientific hypothesis

Starts with general idea, makes specific predictions that follow logically

The concerted human effort to understand, or to understand better, the history of the natural world and how the natural world works, with observable physical evidence as the basis of that understanding.

A statement that provides some explanation for the observed facts

The variable that is measured, counted, or observed

The variable that is manipulated

Independent variable is held at a constant level or omitted

Method or sequence of steps performed for the experiment

Repeating the experiment several times to provide consistent results

Observation that is subjective(colors, smells, etc...)

Observation that includes facts or measurements

The capacity to do work

The set of chemical reactions that occur in living organisms to maintain life.

Molecules and structures that detect stimuli