Chapter 1 Biology

Question 1

Science

Answer 1

Organized way of gathering and analyzing evidence about the natural world

Question 2

observation

Answer 2

Process of noticing and describing events

Question 3

Hypothesis

Answer 3

Possible explanation for a set of observations or possible answer to a scientific questions

Question 4

Controlled Experiment

Answer 4

Experiment in which only one variable is changed

Question 5

Independent Variable

Answer 5

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

Question 6

Dependent Variable

Answer 6

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

Question 7

Control Group

Answer 7

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

Question 8

Data

Answer 8

Evidence; information gathered from observations

Question 9

Theory

Answer 9

Well-tested explanation that unifies a broad range of observations and hypothesis’s.

Question 10

Bias

Answer 10

A particular preference or point of view that is personal

Question 11

Biology

Answer 11

Scientific study of life

Question 12

DNA

Answer 12

A self-replication material present in nearly all living organisms

Question 13

Stimulus

Answer 13

Signal to which an organism responds

Question 14

Sexual Reproduction

Answer 14

Two parent unite to form something new that gets half of each parents genetics

Question 15

Asexual Reproduction

Answer 15

One parent; results in offspring that is genetically identical to the parent

Question 16

Homeostasis

Answer 16

Relatively constant internal physical and chemical condition that organisms maintain

Question 17

Mestabolism

Answer 17

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

Question 18

Biosphere

Answer 18

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

Question 19

Inference

Answer 19

A logical interpretation based on what scientists already know