Ecology Chapter 2 vocabulary

Question 1

A factor that changes in an experiment in order to test a hypothesis

Accepted Answer

variable

Question 2

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

Accepted Answer

conceptual model

Question 3

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

Accepted Answer

data

Question 4

The expected outcome if a hypothesis is accurate

Accepted Answer

prediction

Question 5

One or more equations that represent the way a system or process works

Accepted Answer

mathematical model

Question 6

Relative arrangement of the members of a statistical population

Accepted Answer

distribution

Question 7

A verbal or graphical explanation for how a system works or is organized

Accepted Answer

conceptual model

Question 8

The process for obtaining information by using our senses

Accepted Answer

observation

Question 9

The group of individuals or events selected to represent a statistical population

Accepted Answer

sample

Question 10

Procedure carried out under controlled conditions to discover, demonstrate, test a fact, theory or general truth

Accepted Answer

experiment

Question 11

Piece of information acquired through obsrvation or experimentation

Accepted Answer

data

Question 12

Number obtained by adding up the data for a given characteristic and dividing this sum by the number of individuals

Accepted Answer

mean

Question 13

In an experiment, group that serves as standard of comparison w/ another group which is identical except for one factor

Accepted Answer

control group

Question 14

The linear dependence between two variables

Accepted Answer

correlation

Question 15

The probability of an unwanted outcome

Accepted Answer

risk

Question 16

A testable idea or explanation that leads to scientific investigation

Accepted Answer

hypothesis

Question 17

In an experiment, a group that is identical to a control group except for the factor being compared to control group

Accepted Answer

experimental group

Question 18

Principle or standard that an individual considers to be important

Accepted Answer

value

Question 19

A conceptual model that provides a systematic process for making decisions

Accepted Answer

decision-making model

Question 20

The likelihood that a possible future event will occur in any given instance of the event

Accepted Answer

probability

Questions 20