Question 1

A scientific explanation that is tentative and testable is termed a/an:

Accepted Answer

A) hypothesis. 
B) theory. 
C) fact. 
D) control. 
E) observation. 
A) hypothesis. 
B) theory. 
C) fact. 
D) control. 
E) observation.

Question 2

Living things inherit information from their parents encoded in:

Accepted Answer

A) fats. 
B) atoms. 
C) proteins. 
D) DNA. 
A) fats. 
B) atoms. 
C) proteins. 
D) DNA.

Question 3

We use the scientific method every day.Imagine your car doesn't start one morning before school.Which of these is a reasonable hypothesis regarding the problem?

Accepted Answer

A) I'm going to be late. 
B) I'm out of gas. 
C) Check to see whether your lights were left on all night. 
D) Add a quart of oil. 
A) I'm going to be late. 
B) I'm out of gas. 
C) Check to see whether your lights were left on all night. 
D) Add a quart of oil.

Question 4

The questions that can be answered by science are:

Accepted Answer

A) limited by religious doctrine. 
B) without limit. 
C) limited by what can be investigated using the scientific method. 
D) limited by what is found in the living world. 
E) limited only by imagination. 
A) limited by religious doctrine. 
B) without limit. 
C) limited by what can be investigated using the scientific method. 
D) limited by what is found in the living world. 
E) limited only by imagination.

Question 5

Choose the answer that best describes the sequence of the scientific method.

Accepted Answer

A) experiment, observation, hypothesis, conclusion 
B) hypothesis, experiment, observation, conclusion 
C) guess, hypothesis, experiment, conclusion 
D) observation, hypothesis, experiment, absolute fact 
E) observation, hypothesis, experiment, conclusion 
A) experiment, observation, hypothesis, conclusion 
B) hypothesis, experiment, observation, conclusion 
C) guess, hypothesis, experiment, conclusion 
D) observation, hypothesis, experiment, absolute fact 
E) observation, hypothesis, experiment, conclusion

Question 6

Explain the difference between a theory and a hypothesis,and give an example of each.

Accepted Answer

A hypothesis is a statement of fact yet

Question 7

The experiments of Louis Pasteur to disprove spontaneous generation illustrate the process of the scientific method.

Accepted Answer

A) True 
 B)False

Question 8

Discuss why it is important that the public be knowledgeable about science.

Accepted Answer

After reading the chapter,students shoul

Question 9

Name three ways that science and technology enrich your life today.

Accepted Answer

After reading the chapter,students shoul

Question 10

Organelles are:

Accepted Answer

A) cells. 
B) organisms. 
C) a group of cells that serve a common function. 
D) like tiny organs within cells. 
E) proteins. 
A) cells. 
B) organisms. 
C) a group of cells that serve a common function. 
D) like tiny organs within cells. 
E) proteins.

Question 11

Using what you have learned in this chapter,explain how you would decide whether multivitamins are beneficial to dogs.

Accepted Answer

Use the scientific method to d

Question 12

When Pasteur tested the hypothesis of spontaneous generation,he compared the ability of a sterilized growth medium (meat broth)to produce a population of bacteria in two different types of flasks.One had a simple neck open to the outside,and the other had a "goose neck" bend that also was open to the environment.Pasteur expected that bacteria would appear in the flask with the standard neck.In this experiment,the standard neck flask served as a/an:

Accepted Answer

A) observation. 
B) variable. 
C) control. 
D) statistic. 
E) hypothesis. 
A) observation. 
B) variable. 
C) control. 
D) statistic. 
E) hypothesis.

Question 13

Imagine you're a biology instructor lecturing to a group of students interested in ecology,the branch of biology that studies interactions between organisms and their environments.The students complain bitterly that they're not interested in atoms and molecules because these are irrelevant to their interests.As a responsible instructor aiming to provide a complete and meaningful education,you would state:

Accepted Answer

A) "You need to study atoms and molecules because the organization of life is hierarchical; this implies that, to understand the complex (ecology), you first need to understand the simpler underlying levels." 
B) "You need to study atoms and molecules because life exists at the level of the atom." 
C) "You need to study atoms and molecules because they're important for many things." 
D) "You need to study atoms and molecules because all biologists, regardless of their specific interests, should know about them." 
E) "You need to study atoms and molecules because it's in the book." 
A) "You need to study atoms and molecules because the organization of life is hierarchical; this implies that, to understand the complex (ecology), you first need to understand the simpler underlying levels." 
B) "You need to study atoms and molecules because life exists at the level of the atom." 
C) "You need to study atoms and molecules because they're important for many things." 
D) "You need to study atoms and molecules because all biologists, regardless of their specific interests, should know about them." 
E) "You need to study atoms and molecules because it's in the book."

Question 14

Tissues are grouped together in functional units called:

Accepted Answer

A) organelles. 
B) cells. 
C) organisms. 
D) organs. 
A) organelles. 
B) cells. 
C) organisms. 
D) organs.

Question 15

If you flip the light switch in your living room and nothing happens,what might be a good hypothesis to explain the absence of light?

Accepted Answer

A) Electricity sometimes flows backward in a wire, preventing the light from shining. 
B) The circuit breaker for the living room might be the "off" position. 
C) You might have made too many telephone calls this month, thereby reducing the amount of electricity in your lines. 
D) The air conditioner is also running upstairs, and it might be using all of the electricity available in your house at the moment. 
A) Electricity sometimes flows backward in a wire, preventing the light from shining. 
B) The circuit breaker for the living room might be the "off" position. 
C) You might have made too many telephone calls this month, thereby reducing the amount of electricity in your lines. 
D) The air conditioner is also running upstairs, and it might be using all of the electricity available in your house at the moment.

Question 16

A tree in your backyard is home to robins,squirrels,beetles,and lichens.Together all these organisms compose a/an:

Accepted Answer

A) biosphere. 
B) organism. 
C) population. 
D) community. 
E) niche. 
A) biosphere. 
B) organism. 
C) population. 
D) community. 
E) niche.

Question 17

Which of the following is the most complex level of organization?

Accepted Answer

A) a heart 
B) a water molecule 
C) a rainforest 
D) the circulatory system 
A) a heart 
B) a water molecule 
C) a rainforest 
D) the circulatory system

Question 18

Which of the following is at the root cause for all cancers?

Accepted Answer

A) antibiotic resistance 
B) obesity 
C) the normal cell division process 
D) a breakdown of the cell division process 
A) antibiotic resistance 
B) obesity 
C) the normal cell division process 
D) a breakdown of the cell division process

Question 19

Which one of the following is true about scientific knowledge?

Accepted Answer

A) Scientific knowledge is derived from careful thinking about the way things must work based on application of a few fundamental principles. 
B) When based on many experiments, scientific knowledge is absolutely true. 
C) Scientific knowledge is acquired though teachings passed on by great scientists. 
D) Scientific knowledge is not absolute, because the possibility is always held open that new experiments may one day prove it wrong. 
E) Scientific knowledge is derived from the strongest arguments made by the brightest scientists. 
A) Scientific knowledge is derived from careful thinking about the way things must work based on application of a few fundamental principles. 
B) When based on many experiments, scientific knowledge is absolutely true. 
C) Scientific knowledge is acquired though teachings passed on by great scientists. 
D) Scientific knowledge is not absolute, because the possibility is always held open that new experiments may one day prove it wrong. 
E) Scientific knowledge is derived from the strongest arguments made by the brightest scientists.

Question 20

It doesn't matter whether a hypothesis is correct when it is first stated.

Accepted Answer

A) True 
 B)False

Exam 1: Science As a Way of Learning: a Guide to the Natural World

A scientific explanation that is tentative and testable is termed a/an:

Living things inherit information from their parents encoded in:

We use the scientific method every day.Imagine your car doesn't start one morning before school.Which of these is a reasonable hypothesis regarding the problem?

The questions that can be answered by science are:

Choose the answer that best describes the sequence of the scientific method.

Explain the difference between a theory and a hypothesis,and give an example of each.

The experiments of Louis Pasteur to disprove spontaneous generation illustrate the process of the scientific method.

Discuss why it is important that the public be knowledgeable about science.

Name three ways that science and technology enrich your life today.

Organelles are:

Using what you have learned in this chapter,explain how you would decide whether multivitamins are beneficial to dogs.

Tissues are grouped together in functional units called:

If you flip the light switch in your living room and nothing happens,what might be a good hypothesis to explain the absence of light?

A tree in your backyard is home to robins,squirrels,beetles,and lichens.Together all these organisms compose a/an:

Which of the following is the most complex level of organization?

Which of the following is at the root cause for all cancers?

Which one of the following is true about scientific knowledge?

It doesn't matter whether a hypothesis is correct when it is first stated.

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

Filters