Question 1

Miller and Urey's experiments attempting to recreate the prebiotic environment produced a rich mixture of complex organic chemicals from simple chemicals. True or False?

Accepted Answer

A) True 
 B)False

Question 2

The earliest photosynthetic organisms:

Accepted Answer

A) probably did not produce oxygen. 
B) probably used water as a source of hydrogen. 
C) probably used hydrogen sulfide as a source of hydrogen. 
D) date back to the time when life first emerged on Earth. 
E) possessed chloroplasts. 
A) probably did not produce oxygen. 
B) probably used water as a source of hydrogen. 
C) probably used hydrogen sulfide as a source of hydrogen. 
D) date back to the time when life first emerged on Earth. 
E) possessed chloroplasts.

Question 3

All the life forms found in the Silurian fossil record are still alive today. True or False?

Accepted Answer

A) True 
 B)False

Question 4

The generally slow and steady succession of species on Earth has been interrupted by:

Accepted Answer

A) unusually high rates of plate tectonics. 
B) genetic equilibrium. 
C) balanced polymorphism. 
D) extreme specialization of a few species. 
E) episodes of mass extinction. 
A) unusually high rates of plate tectonics. 
B) genetic equilibrium. 
C) balanced polymorphism. 
D) extreme specialization of a few species. 
E) episodes of mass extinction.

Question 5

Some RNA molecules have been discovered that can:

Accepted Answer

A) degrade proteins. 
B) duplicate lipid molecules. 
C) act as enzymes. 
D) form primitive cells. 
E) convert organic molecules to protocells. 
A) degrade proteins. 
B) duplicate lipid molecules. 
C) act as enzymes. 
D) form primitive cells. 
E) convert organic molecules to protocells.

Question 6

The experiments that demonstrated that meat does not spontaneously generate maggots were conducted by:

Accepted Answer

A) Harold Urey. 
B) Francisco Redi. 
C) Louis Pasteur. 
D) Alexander Oparin. 
E) Sidney Altman. 
A) Harold Urey. 
B) Francisco Redi. 
C) Louis Pasteur. 
D) Alexander Oparin. 
E) Sidney Altman.

Question 7

The first multicellular eukaryotic fossils were:

Accepted Answer

A) algae. 
B) fungi. 
C) cyanobacteria. 
D) reptiles. 
E) amphibians. 
A) algae. 
B) fungi. 
C) cyanobacteria. 
D) reptiles. 
E) amphibians.

Question 8

Miller and Urey's experiments to simulate prebiotic evolution produced:

Accepted Answer

A) a rich mixture of organic molecules. 
B) mitochondria and chloroplasts. 
C) large amounts of free oxygen. 
D) prokaryotic cells. 
E) protocells. 
A) a rich mixture of organic molecules. 
B) mitochondria and chloroplasts. 
C) large amounts of free oxygen. 
D) prokaryotic cells. 
E) protocells.

Question 9

Theories on the atmosphere of early Earth indicate that it lacked:

Accepted Answer

A) H2. 
B) H2O. 
C) O2. 
D) CH4. 
E) NH3. 
A) H2. 
B) H2O. 
C) O2. 
D) CH4. 
E) NH3.

Question 10

Laboratory research has shown that if a solution containing lipids and proteins is agitated for a long time, then hollow, membrane-bound structures called ________ are produced.

Accepted Answer

The answer of Laboratory research has shown that if a...

Question 11

-Based on the graph, if 35% of the original 40K remains in a sample of basalt, what is the approximate age of the rock?

Accepted Answer

A) 1 billion years old 
B) 2 billion years old 
C) 3 billion years old 
D) 4 billion years old 
E) 5 billion years old 
A) 1 billion years old 
B) 2 billion years old 
C) 3 billion years old 
D) 4 billion years old 
E) 5 billion years old

Question 12

The figure illustrates:

Accepted Answer

A) spontaneous generation. 
B) the development of prokaryotes from eukaryotic organisms. 
C) the formation of eukaryotes according to the endosymbiont theory. 
D) Operin and Haldane's theory on the formation of living organisms. 
E) prebiotic conditions. 
A) spontaneous generation. 
B) the development of prokaryotes from eukaryotic organisms. 
C) the formation of eukaryotes according to the endosymbiont theory. 
D) Operin and Haldane's theory on the formation of living organisms. 
E) prebiotic conditions.

Question 13

Climate change has been linked to mass extinctions. True or False?

Accepted Answer

A) True 
 B)False

Question 14

The organisms originally responsible for putting oxygen in Earth's atmosphere lived around:

Accepted Answer

A) 1)5 million years ago. 
B) 2)3 billion years ago. 
C) 3)5 million years ago. 
D) 3)5 billion years ago. 
E) 6 billion years ago. 
A) 1)5 million years ago. 
B) 2)3 billion years ago. 
C) 3)5 million years ago. 
D) 3)5 billion years ago. 
E) 6 billion years ago.

Question 15

Mitochondria contain their own DNA, separate from that of the rest of the cell. True or False?

Accepted Answer

A) True 
 B)False

Question 16

RNA molecules that function as enzymes:

Accepted Answer

A) degrade proteins. 
B) duplicate lipid molecules. 
C) are called ribozymes. 
D) form primitive cells. 
E) developed from protein-based enzymes. 
A) degrade proteins. 
B) duplicate lipid molecules. 
C) are called ribozymes. 
D) form primitive cells. 
E) developed from protein-based enzymes.

Question 17

Homo heidelbergensis is believed to be the ancestor species of:

Accepted Answer

A) Homo ergaster. 
B) Homo neanderthalensis. 
C) Homo sapiens. 
D) both Homo ergaster and Homo sapiens. 
E) both Homo neanderthalensis and Homo sapiens. 
A) Homo ergaster. 
B) Homo neanderthalensis. 
C) Homo sapiens. 
D) both Homo ergaster and Homo sapiens. 
E) both Homo neanderthalensis and Homo sapiens.

Question 18

The oxygen that arose in early Earth's atmosphere was likely produced by organisms that were very similar to modern:

Accepted Answer

A) algae. 
B) protists. 
C) plants. 
D) fungi. 
E) cyanobacteria. 
A) algae. 
B) protists. 
C) plants. 
D) fungi. 
E) cyanobacteria.

Question 19

The human species first appeared in the:

Accepted Answer

A) Quaternary period. 
B) Cretaceous period. 
C) Jurassic period. 
D) Tertiary period. 
E) Permian period. 
A) Quaternary period. 
B) Cretaceous period. 
C) Jurassic period. 
D) Tertiary period. 
E) Permian period.

Question 20

The first multicellular terrestrial organisms were:

Accepted Answer

A) plants. 
B) insects. 
C) fungi. 
D) amphibians. 
E) reptiles. 
A) plants. 
B) insects. 
C) fungi. 
D) amphibians. 
E) reptiles.

Exam 17: The History of Life

Miller and Urey's experiments attempting to recreate the prebiotic environment produced a rich mixture of complex organic chemicals from simple chemicals. True or False?

The earliest photosynthetic organisms:

All the life forms found in the Silurian fossil record are still alive today. True or False?

The generally slow and steady succession of species on Earth has been interrupted by:

Some RNA molecules have been discovered that can:

The experiments that demonstrated that meat does not spontaneously generate maggots were conducted by:

The first multicellular eukaryotic fossils were:

Miller and Urey's experiments to simulate prebiotic evolution produced:

Theories on the atmosphere of early Earth indicate that it lacked:

Laboratory research has shown that if a solution containing lipids and proteins is agitated for a long time, then hollow, membrane-bound structures called ________ are produced.

-Based on the graph, if 35% of the original 40K remains in a sample of basalt, what is the approximate age of the rock?

The figure illustrates:

Climate change has been linked to mass extinctions. True or False?

The organisms originally responsible for putting oxygen in Earth's atmosphere lived around:

Mitochondria contain their own DNA, separate from that of the rest of the cell. True or False?

RNA molecules that function as enzymes:

Homo heidelbergensis is believed to be the ancestor species of:

The oxygen that arose in early Earth's atmosphere was likely produced by organisms that were very similar to modern:

The human species first appeared in the:

The first multicellular terrestrial organisms were:

An Introduction to Life on Earth

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

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

Systematics: Seeking Order Amidst 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

How Do Ecosystems Work

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