Unit 1 Exp Design CHC

Question 1

Testable

Answer 1

if there is a possibility of deciding whether it is true or false based on experimentation by anyone.

Question 2

Non-testable

Answer 2

a statement or idea that cannot be empirically investigated or confirmed through observation, experimentation, or other scientific methods.

Question 3

Quantitative

Answer 3

Numbers and mathematics to describe biological processes.

Question 4

Qualitative

Answer 4

descriptive observations of biological processes.

Question 5

Trials

Answer 5

The act of testing by experience; proof; test.

Question 6

Observation

Answer 6

an act or instance of noticing or perceiving and the acquisition of information from a primary source.

Question 7

Empirical evidence

Answer 7

the information obtained through observation and documentation of certain behavior and patterns or through an experiment.

Question 8

Data

Answer 8

a compound or information derived from living organisms and their products.

Question 9

Models in science

Answer 9

a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes.

Question 9

Analogy

Answer 9

an organ in different species similar in function but different in structure.

Question 10

Prototype

Answer 10

the ancestral or primitive form of a species or other group; an archetype.

Question 11

Hypothesis

Answer 11

An idea that proposes a tentative explanation about a phenomenon or a narrow set of phenomena observed in the natural world.

Question 12

Variable

Answer 12

anything that can change or be changed within an experiment.

Question 13

Procedure

Answer 13

A biological process is completed by a specific collection of molecular activities carried out by specific gene products (or macro-molecular complexes), frequently in a highly controlled manner and a specified temporal sequence. Another word for the process or the synonym of the process is “procedure”.

Question 14

Precision

Answer 14

how close measurements of the same item are to each other.

Question 15

Accuracy

Answer 15

how close a measurement is to the true or accepted value.

Question 16

Scientific method

Question 17

Control

Answer 17

an element that remains unchanged or unaffected by other variables.

Question 18

Constant

Answer 18

the part that doesn’t change during the experiment.

Question 19

Predict

Answer 19

a specific statement about what will occur (i.e. the outcome or pattern that will be observed) in a particular research investigation (e.g., an experiment).

Question 20

Infer

Answer 20

the process of making inferences and predictions about biological networks.

Question 21

Independent variable

Answer 21

a variable that stands alone and isn’t changed by the other variables you are trying to measure.

Question 22

Dependent variable

Answer 22

what you measure in the experiment and what is affected during the experiment.

Question 23

Manipulated variable

Answer 23

a factor that is purposefully and specifically changed by the experimenter.

Question 24

Responding variable

Answer 24

the part of an experiment that a scientist measures and observes closely for a change or a response.

Question 25

Sample size

Answer 25

the number of observations or individuals included in a study or experiment.

Question 26

Validity

Answer 26

scientifically accurate information that is used in an unbiased way to convey a biological idea.

Question 27

Trends in data

Answer 27

general directions of data, such as an overall increase in global temperature.

Question 28

Correlation

Answer 28

shows a connection between a factor and an outcome.

Question 29

Variability

Answer 29

the tendency at which traits in that population may vary.

Question 30

Mass

Answer 30

the measure of the amount of matter in a body.

Question 31

Volume

Answer 31

the amount of space that an object occupies.

Question 32

Weight

Answer 32

the measure of the force of gravity acting on a body.

Question 32

Percent

Answer 32

Percents are used to report many different values.

Question 33

Rate

Answer 33

The rate, or speed, at which the number of organisms in a population increases.

Question 34

Ratio

Answer 34

a numerical comparison of how many offspring will have one phenotype versus another.

Question 34

Line graph

Answer 34

connects individual data points that, typically, display quantitative values over a specified time interval.

Question 35

Bar graph

Answer 35

used to compare the frequency of a category or characteristic with that of another category or characteristic.

Question 36

Pie graph

Answer 36

a circle divided into a series of segments.

Question 37

Scatter plot

Answer 37

uses dots to represent values for two different numeric variables.

Question 37

Claim

Answer 37

a generalization based on a reported statistically significant effect.

Question 37

Evidence

Answer 37

A body of facts or information indicating whether a belief or proposition is true or valid.

Question 38

Reason

Answer 38

exploration of the causality of events.

Question 39

Theory

Answer 39

Explanation of a topic that the natural world that can incorporate laws, hypotheses, and facts

Question 40

Bias

Answer 40

a difference between the observed and expected values in some property of a distribution or for more simplification different.