Ch. 1

Question 1

Scientific study of life

Answer 1

Biology

Question 2

Genetic material that organisms inherit from their parents

Answer 2

Deoxyribonucleic acid (DNA)

Question 3

Signal to which an organism responds

Answer 3

Stimulus

Question 4

Type of reproduction in which cells from two parents unite to form the first cell of a new organism.

Answer 4

Sexual reproduction

Question 5

Process of reproduction involving a single parent that results in offspring that are genetically identical to the parent

Answer 5

Asexual reproduction

Question 6

Relatively constant internal physical and chemical conditions that organisms maintain

Answer 6

Homeostasis

Question 7

The combination of chemical reactions through which an organism builds up or breaks down materials

Answer 7

Metabolism

Question 8

Part of earth in which life exists including land, water, and air or atmosphere.

Answer 8

Biosphere

Question 9

Well-tested explanation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predictions about new situations.

Answer 9

Theory

Question 10

Particular preference or point of view that is personal, rather than scientific

Answer 10

Bias

Question 11

Organized way of gathering and analyzing evidence about the natural wold

Answer 11

Science

Question 12

Process of noticing and describing events or processes in a careful, orderly way

Answer 12

Observation

Question 13

A logical interpretation based on prior knowledge and experience

Answer 13

Inference

Question 14

Possible explanation for a set of observations or possible answers to a scientific question

Answer 14

Hypothesis

Question 15

Experiment in which only one variable is changed

Answer 15

Controlled experiment

Question 16

Factor in a controlled experiment that is deliberately changed; also called manipulated variable

Answer 16

Independent variable

Question 17

Variable that is observed and that changes in response to the independent variable; also called the responding variable

Answer 17

Dependent variable

Question 18

Group in an experiment that is exposed to the same conditions as the experimental group except for one independent

Answer 18

Control group

Question 19

Evidence; information gathered from obsrervations

Answer 19

Data