Question 1

The instructions for producing and maintaining life are contained in what molecule?

Accepted Answer

The answer of The instructions for producing and maintaining life...

Question 2

A carefully formulated scientific explanation that is based on extensive observations and is in accord with scientific principles is called a

Accepted Answer

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

Question 3

After you drink a glass of acidic lemonade, your body's pH does not change. This is an example of how humans and other organisms

Accepted Answer

A)  maintain cellular organization. 
B)  maintain precise internal conditions through homeostasis. 
C)  are immune to weak acids. 
D)  evolve in response to the environment. 
A)  maintain cellular organization. 
B)  maintain precise internal conditions through homeostasis. 
C)  are immune to weak acids. 
D)  evolve in response to the environment.

Question 4

Which of the following statements is a hypothesis rather than a theory?

Accepted Answer

A)  Living things are made of cells. 
B)  Female birds prefer to mate with male birds that have longer tails. 
C)  Matter is composed of atoms. 
D)  Modern organisms descended from preexisting life- forms. 
A)  Living things are made of cells. 
B)  Female birds prefer to mate with male birds that have longer tails. 
C)  Matter is composed of atoms. 
D)  Modern organisms descended from preexisting life- forms.

Question 5

A scientific theory

Accepted Answer

A)  will never be changed. 
B)  is a general explanation for natural phenomena. 
C)  is an educated guess. 
D)  is less reliable than a hypothesis. 
A)  will never be changed. 
B)  is a general explanation for natural phenomena. 
C)  is an educated guess. 
D)  is less reliable than a hypothesis.

Question 6

Which is NOT an example of evolution?

Accepted Answer

A)  The 2- to 3- year effectiveness of most commercial pesticides in killing insects 
B)  Annual changes in the flu virus due to mutations 
C)  A dog learning how to open the cabinet where its food is kept 
D)  The development of antibiotic- resistant bacteria 
E)  Flightless birds living on islands without predators 
A)  The 2- to 3- year effectiveness of most commercial pesticides in killing insects 
B)  Annual changes in the flu virus due to mutations 
C)  A dog learning how to open the cabinet where its food is kept 
D)  The development of antibiotic- resistant bacteria 
E)  Flightless birds living on islands without predators

Question 7

An organism in the domain Eukarya is characterized by all of the following EXCEPT

Accepted Answer

A)  being composed of prokaryotic cells. 
B)  the ability to maintain precise internal conditions. 
C)  the potential to grow and reproduce. 
D)  ingestion of organic matter to acquire nutrients. 
A)  being composed of prokaryotic cells. 
B)  the ability to maintain precise internal conditions. 
C)  the potential to grow and reproduce. 
D)  ingestion of organic matter to acquire nutrients.

Question 8

The smallest units that still retain the characteristics of an element are called

Accepted Answer

A)  organic molecules. 
B)  molecules. 
C)  cells. 
D)  tissues. 
E)  atoms. 
A)  organic molecules. 
B)  molecules. 
C)  cells. 
D)  tissues. 
E)  atoms.

Question 9

A change in the genetic makeup of a species over time is called

Accepted Answer

A)  mutation. 
B)  evolution. 
C)  adaptation. 
D)  natural causality. 
A)  mutation. 
B)  evolution. 
C)  adaptation. 
D)  natural causality.

Question 10

The energy that sustains life ultimately comes from sunlight.

Accepted Answer

A) True 
 B)False

Question 11

Scientific experimentation generally leads to more questions.

Accepted Answer

A) True 
 B)False

Question 12

Variation among organisms is due to mutations.

Accepted Answer

A) True 
 B)False

Question 13

Why do humans born without sweat glands usually not survive?

Accepted Answer

A)  Sweating is important for eliminating impurities from the body. 
B)  Sweating is the only way the body eliminates excess water. 
C)  Sweat glands create openings in the skin where gas exchange occurs. 
D)  Sweating is an important mechanism for maintaining the correct body temperature. 
A)  Sweating is important for eliminating impurities from the body. 
B)  Sweating is the only way the body eliminates excess water. 
C)  Sweat glands create openings in the skin where gas exchange occurs. 
D)  Sweating is an important mechanism for maintaining the correct body temperature.

Question 14

Which of the following is FALSE about scientific theories?

Accepted Answer

A)  They are developed by inductive reasoning. 
B)  They are firmly established and cannot be refuted. 
C)  They are used to support observations using deductive reasoning. 
D)  They can be either supported or modified by new observations. 
E)  They have been thoroughly tested. 
A)  They are developed by inductive reasoning. 
B)  They are firmly established and cannot be refuted. 
C)  They are used to support observations using deductive reasoning. 
D)  They can be either supported or modified by new observations. 
E)  They have been thoroughly tested.

Question 15

A group of individuals who are able to interbreed, regardless of their geographical location, is defined as a(n)
.

Accepted Answer

The answer of A group of individuals who are able...

Question 16

Which of the following is an example of deductive reasoning?

Accepted Answer

A)  If an object exhibits all the characteristics of life, it must be living. 
B)  Living objects are composed of cells. 
C)  All objects on Earth will fall down when dropped, and none will "fall up." 
D)  Atoms make up molecules, which make up cells, which make up tissues. 
A)  If an object exhibits all the characteristics of life, it must be living. 
B)  Living objects are composed of cells. 
C)  All objects on Earth will fall down when dropped, and none will "fall up." 
D)  Atoms make up molecules, which make up cells, which make up tissues.

Question 17

All of the following are true of all living organisms EXCEPT that they

Accepted Answer

A)  possess either DNA or RNA. 
B)  can grow. 
C)  are made of cells. 
D)  can reproduce themselves. 
E)  respond to stimuli. 
A)  possess either DNA or RNA. 
B)  can grow. 
C)  are made of cells. 
D)  can reproduce themselves. 
E)  respond to stimuli.

Question 18

You observe a plant on your windowsill that is growing at an angle toward the outside. This is an example of a living thing

Accepted Answer

A)  maintaining precise internal conditions. 
B)  reproducing. 
C)  responding to stimuli. 
D)  evolving. 
A)  maintaining precise internal conditions. 
B)  reproducing. 
C)  responding to stimuli. 
D)  evolving.

Question 19

Dinosaurs are not alive today because they

Accepted Answer

A)  evolved too quickly in response to a changing environment. 
B)  did not evolve fast enough to keep up with rapid environmental change. 
C)  evolved adaptations that were beneficial in their constant, unchanging environment. 
D)  did not possess the genetic material that beneficial mutations act on. 
A)  evolved too quickly in response to a changing environment. 
B)  did not evolve fast enough to keep up with rapid environmental change. 
C)  evolved adaptations that were beneficial in their constant, unchanging environment. 
D)  did not possess the genetic material that beneficial mutations act on.

Question 20

Francesco Redi designed an experiment to test the notion of spontaneous generation. He left the first jar of meat open to the air and covered the second jar. The first jar would be called the jar.

Accepted Answer

A)  control 
B)  hypothetical 
C)  conclusive 
D)  experimental 
A)  control 
B)  hypothetical 
C)  conclusive 
D)  experimental

Exam 1: An Introduction to Life on Earth

The instructions for producing and maintaining life are contained in what molecule?

A carefully formulated scientific explanation that is based on extensive observations and is in accord with scientific principles is called a

After you drink a glass of acidic lemonade, your body's pH does not change. This is an example of how humans and other organisms

Which of the following statements is a hypothesis rather than a theory?

A scientific theory

Which is NOT an example of evolution?

An organism in the domain Eukarya is characterized by all of the following EXCEPT

The smallest units that still retain the characteristics of an element are called

A change in the genetic makeup of a species over time is called

The energy that sustains life ultimately comes from sunlight.

Scientific experimentation generally leads to more questions.

Variation among organisms is due to mutations.

Why do humans born without sweat glands usually not survive?

Which of the following is FALSE about scientific theories?

A group of individuals who are able to interbreed, regardless of their geographical location, is defined as a(n) .

Which of the following is an example of deductive reasoning?

All of the following are true of all living organisms EXCEPT that they

You observe a plant on your windowsill that is growing at an angle toward the outside. This is an example of a living thing

Dinosaurs are not alive today because they

Francesco Redi designed an experiment to test the notion of spontaneous generation. He left the first jar of meat open to the air and covered the second jar. The first jar would be called the jar.

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

Filters