Biology Now with Physiology Chapter One

What is science?

A body of knowledge/data

What are some Characteristics of living organisms?

Composed of one or more cells, reproduce themselves, obtain energy from environment, responds to environment, maintains homeostasis, evolves, is living

What two groups are experiments devided into?

Controlled and threatment groups

Definition of Scientific Theory

Hypothesis or a group of relates hypotheses, that have been repeatedly confirmed by different researchers

Hypothesis Outline

If... (independent variable), then... (dependent variable)

Correlation study

One or more parameters behaves in an interrelated manner

Experimental Causation study

One parameter can be shown to cause the effect of the other

Descriptive study

Reporting data found in nature

What can't science do?

Speak to god, distinguish beauty, answer all questions

Statistical study

Using math to quantify reliability of the data and patterns

Definiton of observation

a description, measurement or record of any object or phenomenon

Definition of the Scientific Hypothesis

an informes, logical, and plausable explanation for observations of the natural world

Analytical study

looking for patterns in the data

Objects of scientific study must be...?

observable and quantifiable

What are all the steps of the scientific method?

observe and ask questions, create a hypothesis, make predictions, test, analyze, accept/reject/or modify

Definition of Experiment

repeatable manipulation of one or more aspects of the natural world

Definition of Scientific Fact

repeatable observation of the world

Definition of Dependent Variable

variable that responds, or could potentially respond, to changes in the independent variable

Definition of Independent Variable

variable that scientists manipulate