Question 1

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. B

Question 2

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. They 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)  "Ok, have it your way." 
C)  "You to 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)  "Ok, have it your way." 
C)  "You to 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

Question 3

The development of the physical sciences differed from development of biological sciences in that:

Accepted Answer

A)  physical sciences offer the potential to find underlying principles, but such a goal is virtually impossible in biological sciences. 
B)  physical sciences developed much more slowly than biological sciences. 
C)  physical sciences aimed to find underlying principles after this approach was taken in biological sciences. 
D)  physical sciences developed more slowly than biological sciences because physical sciences are more difficult than biological science. 
E)  physical sciences aimed to find underlying principles before this approach was taken in biological sciences. 
A)  physical sciences offer the potential to find underlying principles, but such a goal is virtually impossible in biological sciences. 
B)  physical sciences developed much more slowly than biological sciences. 
C)  physical sciences aimed to find underlying principles after this approach was taken in biological sciences. 
D)  physical sciences developed more slowly than biological sciences because physical sciences are more difficult than biological science. 
E)  physical sciences aimed to find underlying principles before this approach was taken in biological sciences. E

Question 4

Which of the following is evidence that global warming is occurring?

Accepted Answer

A)  The intensity of hurricanes has been decreasing in recent years. 
B)  The intensity of hurricanes has been increasing in recent years. 
C)  The number of hurricanes has been decreasing in recent years. 
D)  The number of hurricanes has been increasing in recent years. 
A)  The intensity of hurricanes has been decreasing in recent years. 
B)  The intensity of hurricanes has been increasing in recent years. 
C)  The number of hurricanes has been decreasing in recent years. 
D)  The number of hurricanes has been increasing in recent years.

Question 5

Match column 1 with the items in column 2.
-Physiology

Accepted Answer

A)  ecology 
B)  molecular biology 
C)  the functioning of plants and animals 
A)  ecology 
B)  molecular biology 
C)  the functioning of plants and animals

Question 6

Genetically altered salmon are grown to eating weight in half the normal time.

Accepted Answer

A) True 
 B)False

Question 7

Which animals have had human genes inserted into their makeup to produce milk with human proteins?

Accepted Answer

A)  camels 
B)  horses 
C)  goats 
D)  cattle 
A)  camels 
B)  horses 
C)  goats 
D)  cattle

Question 8

The study of the physical functioning of plants and animals is called ________.

Accepted Answer

The answer of The study of the physical functioning of...

Question 9

You are a part of the first scientific team to land on Saturn. How would you begin to discover whether there is any life there?

Accepted Answer

First, you would explore the landscape t

Question 10

Which of the following is true of smoking?

Accepted Answer

A)  Lung cancer rates have been shown to rise and fall with smoking rates. 
B)  Before smoking became popular in the 1920s, lung cancer was common. 
C)  Scientists knew in 1940 that smoking causes lung cancer. 
A)  Lung cancer rates have been shown to rise and fall with smoking rates. 
B)  Before smoking became popular in the 1920s, lung cancer was common. 
C)  Scientists knew in 1940 that smoking causes lung cancer.

Question 11

If a sperm carrying a Y chromosome fertilizes a mother's egg, which of the following will be true?

Accepted Answer

A)  A baby girl will develop. 
B)  A sperm can't carry a Y chromosome; only the egg can. 
C)  Nothing will happen. 
D)  A baby boy will develop. 
A)  A baby girl will develop. 
B)  A sperm can't carry a Y chromosome; only the egg can. 
C)  Nothing will happen. 
D)  A baby boy will develop.

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:

Accepted Answer

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

Question 13

Match column 1 with the items in column 2.
-How living organisms relate to each other and to their physical environment

Accepted Answer

A)  ecology 
B)  molecular biology 
C)  the functioning of plants and animals 
A)  ecology 
B)  molecular biology 
C)  the functioning of plants and animals

Question 14

Which of the following is an example of homeostasis? An organism that can:

Accepted Answer

A)  assimilate and use energy. 
B)  reproduce. 
C)  evolve from other living things. 
D)  maintain a relatively constant internal environment. 
E)  respond to the environment. 
A)  assimilate and use energy. 
B)  reproduce. 
C)  evolve from other living things. 
D)  maintain a relatively constant internal environment. 
E)  respond to the environment.

Question 15

Tissues are:

Accepted Answer

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

Question 16

The students in a classroom could be considered which of the following?

Accepted Answer

A)  a biosphere 
B)  an organism 
C)  a population 
D)  a community 
E)  a niche 
A)  a biosphere 
B)  an organism 
C)  a population 
D)  a community 
E)  a niche

Question 17

The physicist Freeman Dyson made which of the following predictions?

Accepted Answer

A)  Within 50 years, the human species would become extinct. 
B)  Within 50 years, global warming would make the Earth unlivable. 
C)  Within 50 years, the energy crisis would be solved. 
D)  Within 50 years, gardeners would be able to design their own roses and orchids. 
A)  Within 50 years, the human species would become extinct. 
B)  Within 50 years, global warming would make the Earth unlivable. 
C)  Within 50 years, the energy crisis would be solved. 
D)  Within 50 years, gardeners would be able to design their own roses and orchids.

Question 18

Currently there is a controversy over whether which of the following organisms is a direct descendant of the dinosaurs?

Accepted Answer

A)  snakes 
B)  lizards 
C)  birds 
D)  frogs 
E)  crocodiles 
A)  snakes 
B)  lizards 
C)  birds 
D)  frogs 
E)  crocodiles

Question 19

Discuss some of the possible ways that genetic engineering might benefit you or people in your community, and give possible examples.

Accepted Answer

After reading the chapter, stu

Question 20

Scientific observations:

Accepted Answer

A)  are limited to available equipment used to record a natural phenomenon. 
B)  can be made by instrumentation. 
C)  can be made directly by humans. 
D)  all of the above 
A)  are limited to available equipment used to record a natural phenomenon. 
B)  can be made by instrumentation. 
C)  can be made directly by humans. 
D)  all of the above

Exam 1: A Guide to the Natural World

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?

The development of the physical sciences differed from development of biological sciences in that:

Which of the following is evidence that global warming is occurring?

Match column 1 with the items in column 2. -Physiology

Genetically altered salmon are grown to eating weight in half the normal time.

Which animals have had human genes inserted into their makeup to produce milk with human proteins?

The study of the physical functioning of plants and animals is called ________.

You are a part of the first scientific team to land on Saturn. How would you begin to discover whether there is any life there?

Which of the following is true of smoking?

If a sperm carrying a Y chromosome fertilizes a mother's egg, which of the following will be true?

Match column 1 with the items in column 2. -How living organisms relate to each other and to their physical environment

Which of the following is an example of homeostasis? An organism that can:

Tissues are:

The students in a classroom could be considered which of the following?

The physicist Freeman Dyson made which of the following predictions?

Currently there is a controversy over whether which of the following organisms is a direct descendant of the dinosaurs?

Discuss some of the possible ways that genetic engineering might benefit you or people in your community, and give possible examples.

Scientific observations:

Chemistry, Water and PH

Lifes Components: Biological Molecules

Lifes Home: The Cell

Lifes Border: The Plasma Membrane

An Introduction to Energy

Deriving Energy From Food

Photosynthesis

Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

Mendel and His Discoveries

Chromosomes and Inheritance

Dna Structure and Replication

Transcription Translation and Regulation

Biotechnology

Charles Darwin, Evolutionary Thought, and the Evidence for Evolution

Microevolution

Macroevolution

The History of Life on Earth

The Evolution of Human Beings

The Diversity of Life 1

The Diversity of Life 2

The Diversity of Life 3

An Introduction to Flowering Plants

Form and Function in Flowering Plants

The Integumentary Skeletal and Muscular Systems

The Nervous and Endocrine System

The Immune System

Blood and Breath

Digestion, Nutrition and Elimination

Animal Development

Human Reproduction

Populations in Ecology

Communities in Ecology

Ecosystems and Biomes

Animal Behavior

Filters