Chapter 2 Ecology Vocab-Tools of Environmental Science

the collection and classification of data that are in the form of numbers

In an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable

The likelihood that a particular event will happen in any given instance of the event

a procedure that is used to test a hypothesis under controlled conditions to discover, demonstrate, or test a fact

A pattern, plan, representation, or description designed to show the structure or workings of an object

In an experiment, the group that is not exposed to the treatment

The experimental factor that is manipulated; the variable whose effect is being studied.

a testable idea or explanation that leads to scientific investigation

any pieces of information acquired through observation or experimentation

A logical statement about what will happen if the hypothesis is correct.

The probability of an unwanted outcome

A factor that can change in an experiment

The outcome factor; the variable that may change in response to manipulations of the independent variable.

The process of obtaining information by using the senses.

A small group of individuals or events who are chosen in a survey so as to be representative of the whole.