Chapter 1

Question 0

Cell

Answer 0

A membrane-bound structure that is the basic unit of life

Question 1

Biology

Answer 1

Science of life

Question 2

Molecule

Answer 2

A chemical structure composed of one or more atoms

Question 3

Organelle

Answer 3

One of the several formed bodies with a specialized function that is suspended in the cytoplasm and found in eukaryotic cells

Question 4

Homeostasis

Answer 4

The stable internal conditions of a living thing

Question 5

Gene

Answer 5

Segment of DNA that contains coding for a polypeptide or protein; a unit of heredity information

Question 6

Natural selection

Answer 6

The process by which organisms with favorable variations reproduce at higher rates than ode without such variations

Question 7

Species

Answer 7

Group of organisms of a single type that are capable of producing fertile offspring in the natural environment

Question 8

Ecology

Answer 8

Study of the relationship between organisms and their environment

Question 9

Hypothesis

Answer 9

Statement that can be tested experimentally

Question 10

Observation

Answer 10

Action that typically employs one or more of the five senses to perceive objects or events

Question 11

Theory

Answer 11

Broad and comprehensive statement of what is thought to be true

Question 12

Inference

Answer 12

Conclusion made on the basis of facts or premises rather than on direct observation

Question 13

If you see smoke, you will probably infer that it’s source is a fire, even if you can’t see the fire is an example of a

Answer 13

Inference

Question 14

Experiment

Answer 14

Hypothesis is often tested by carrying out an experiment

Question 15

Experimenting

Answer 15

Process of testing a hypothesis or prediction by gathering data under controlled conditions

Question 16

What is a controlled experiment based on

Answer 16

A comparison of a control group with an experimental group

Question 17

Control group and experimental group are designed to be

Answer 17

Identical except for one factor

Question 18

The factor that is different between a control group and an experimental group is called

Answer 18

The independent variable

Question 19

The factor in both the control group and experimental group is called

Answer 19

The dependent variable

Question 20

Analyzing data

Answer 20

Process of determining whether data are reliable and whether hey support or do not support a hypothesis or prediction

Question 21

7 characteristics of life

Answer 21

Composed of cells
Organized 
Use energy
Grow
Reproduce
Adapt to their environment

Question 22

Name the order of an organism

Answer 22

Cell
Tissue
Organ
Organ system 
Organism

Question 23

Definition of characteristics of life

Answer 23

Characteristics that organisms need to survive

Question 24

What is the scientific method

Answer 24

Series of steps that followed to answer questions and/or solve problems

Question 25

What are the steps of the scientific method

Answer 25

Observation
Hypothesizing
Experimenting
Analyzing Data

Question 26

What do controlled experiments allow

Answer 26

A comparison of a control and experimental group

Question 27

What’s the independent variable

Answer 27

Factor that’s being tested or manipulated

Question 28

What is the dependent variable called

Answer 28

Responding variable

Question 29

Observation

Answer 29

Pathetic use of one or more senses to perceive objects or events

Question 30

What is data collection in observation

Answer 30

Gathering and recording or specific information based on observations

Question 31

What is sampling in observation

Answer 31

Collecting a small representation portion of the population

Question 32

Theory

Answer 32

Created when a hypothesis explains why things occur and continue to be supported by evidence gathered from other experiments

Question 33

Conclusion

Answer 33

Final determination of the problem based on the results of all the findings

Question 34

Law

Answer 34

Created when a hypothesis describes how things happen is continually supported by the data of other experiments