Question 1

A ____ forest included low swamps with giant ferns, horsetails, club mosses, seed ferns, and early gymnosperm s

Accepted Answer

A)  Jurassic 
B)  Silurian 
C)  Devonian 
D)  Ordovician 
E)  Carboniferous 
A)  Jurassic 
B)  Silurian 
C)  Devonian 
D)  Ordovician 
E)  Carboniferous E

Question 2

The Holocene epoch marks the appearance of:

Accepted Answer

A)  humans. 
B)  reptiles. 
C)  amphibians. 
D)  large mammals. 
E)  marine vertebrates. 
A)  humans. 
B)  reptiles. 
C)  amphibians. 
D)  large mammals. 
E)  marine vertebrates. A

Question 3

What was the dominant life form of the Mesozoic era?

Accepted Answer

A)  fish 
B)  reptiles 
C)  mammals 
D)  amphibians 
E)  vascular plants 
A)  fish 
B)  reptiles 
C)  mammals 
D)  amphibians 
E)  vascular plants B

Question 4

Who first proposed the concept that simple organic molecules could form spontaneously from simpler raw materials?

Accepted Answer

A)  Miller and Urey 
B)  Charles Darwin 
C)  Thomas Malthus 
D)  Watson and Crick 
E)  Oparin and Haldane 
A)  Miller and Urey 
B)  Charles Darwin 
C)  Thomas Malthus 
D)  Watson and Crick 
E)  Oparin and Haldane

Question 5

During the __________ epoch, the mammals experienced an explosive adaptive radiation.

Accepted Answer

A)  Holocene 
B)  Paleocene 
C)  Pleistocene 
D)  Eocene 
E)  Pliocene 
A)  Holocene 
B)  Paleocene 
C)  Pleistocene 
D)  Eocene 
E)  Pliocene

Question 6

Protobionts are vesicle-like assemblages of abiotically-produced organic polymers. 
______________

Accepted Answer

A) True 
 B)False

Question 7

The evolution of aerobic respiration ____ both oxygen and carbon dioxide levels in the biosphere.

Accepted Answer

A)  mutated 
B)  stabilized 
C)  increased 
D)  decreased 
E)  eliminated 
A)  mutated 
B)  stabilized 
C)  increased 
D)  decreased 
E)  eliminated

Question 8

Vascular plants and air-breathing animals first appeared during which time period?

Accepted Answer

A)  Silurian period 
B)  Permian period 
C)  Cambrian period 
D)  Ordovician period 
E)  Cretaceous period 
A)  Silurian period 
B)  Permian period 
C)  Cambrian period 
D)  Ordovician period 
E)  Cretaceous period

Question 9

Which hypothesis states that life developed from nonliving matter?

Accepted Answer

A)  abiotic evolution 
B)  natural selection 
C)  organic evolution 
D)  chemical evolution 
E)  inorganic evolution 
A)  abiotic evolution 
B)  natural selection 
C)  organic evolution 
D)  chemical evolution 
E)  inorganic evolution

Question 10

The atmosphere of early Earth is currently thought to have contained:

Accepted Answer

A)  methane, water, ammonia, nitrogen, and oxygen 
B)  carbon dioxide, water, oxygen, nitrogen, and hydrogen 
C)  carbon dioxide, ozone, nitric oxide, water, and hydrogen sulfide 
D)  carbon dioxide, water, carbon monoxide, hydrogen, and nitrogen 
E)  carbon dioxide, carbon monoxide, water, hydrogen, and nitric oxide 
A)  methane, water, ammonia, nitrogen, and oxygen 
B)  carbon dioxide, water, oxygen, nitrogen, and hydrogen 
C)  carbon dioxide, ozone, nitric oxide, water, and hydrogen sulfide 
D)  carbon dioxide, water, carbon monoxide, hydrogen, and nitrogen 
E)  carbon dioxide, carbon monoxide, water, hydrogen, and nitric oxide

Question 11

Millions of years ago, the activity of which cellular organelle would have been dependent upon the presence of cyanobacteria?

Accepted Answer

A)  Golgi 
B)  nucleus 
C)  ribosome 
D)  mitochondrion 
E)  endoplasmic reticulum 
A)  Golgi 
B)  nucleus 
C)  ribosome 
D)  mitochondrion 
E)  endoplasmic reticulum

Question 12

The serial endosymbiosis hypothesis states that the origin of mitochondria and chloroplasts was the result of a mutually advantageous symbiotic relationship between two eukaryotic organisms. 
______________

Accepted Answer

A) True 
 B)False

Question 13

Which is the largest division of the geologic time scale?

Accepted Answer

A)  eon 
B)  era 
C)  epoch 
D)  period 
E)  millennium 
A)  eon 
B)  era 
C)  epoch 
D)  period 
E)  millennium

Question 14

The "Age of Fishes" is an informal name for which time period?

Accepted Answer

A)  Silurian period 
B)  Permian period 
C)  Devonian period 
D)  Ordovician period 
E)  Carboniferous period 
A)  Silurian period 
B)  Permian period 
C)  Devonian period 
D)  Ordovician period 
E)  Carboniferous period

Question 15

Figure 21-2   What is the animal in the accompanying figure?

Accepted Answer

A)  mosasaur 
B)  plesiosaur 
C)  pterosaur 
D)  thecodont 
E)  ichthyosaur 
A)  mosasaur 
B)  plesiosaur 
C)  pterosaur 
D)  thecodont 
E)  ichthyosaur

Question 16

The first photosynthetic autotrophs used the energy of the sun to split H 2O because it is not very electronegative. 
______________

Accepted Answer

A) True 
 B)False

Question 17

Mammal-like reptiles arose during which time period?

Accepted Answer

A)  Triassic period 
B)  Cambrian period 
C)  Devonian period 
D)  Cretaceous period 
E)  Carboniferous period 
A)  Triassic period 
B)  Cambrian period 
C)  Devonian period 
D)  Cretaceous period 
E)  Carboniferous period

Question 18

The mass extinction at the end of the Cretaceous period was likely the result of:

Accepted Answer

A)  rising seawater. 
B)  loss of vegetation. 
C)  extreme predation. 
D)  a dramatic change in climate. 
E)  the appearance of new competitors. 
A)  rising seawater. 
B)  loss of vegetation. 
C)  extreme predation. 
D)  a dramatic change in climate. 
E)  the appearance of new competitors.

Question 19

What are the protobionts produced by abiotically produced polypeptides?

Accepted Answer

A)  polybionts 
B)  prokaryotes 
C)  microspheres 
D)  peptidebionts 
E)  stromatolites 
A)  polybionts 
B)  prokaryotes 
C)  microspheres 
D)  peptidebionts 
E)  stromatolites

Question 20

What is the approximate age of Earth?

Accepted Answer

A)  4.6 million years 
B)  500 million years 
C)  2.7 billion years 
D)  3.6 billion years 
E)  4.6 billion years 
A)  4.6 million years 
B)  500 million years 
C)  2.7 billion years 
D)  3.6 billion years 
E)  4.6 billion years

Exam 21: The Origin and Evolutionary History of Life

A ____ forest included low swamps with giant ferns, horsetails, club mosses, seed ferns, and early gymnosperm s

The Holocene epoch marks the appearance of:

What was the dominant life form of the Mesozoic era?

Who first proposed the concept that simple organic molecules could form spontaneously from simpler raw materials?

During the __________ epoch, the mammals experienced an explosive adaptive radiation.

Protobionts are vesicle-like assemblages of abiotically-produced organic polymers. ______________

The evolution of aerobic respiration ____ both oxygen and carbon dioxide levels in the biosphere.

Vascular plants and air-breathing animals first appeared during which time period?

Which hypothesis states that life developed from nonliving matter?

The atmosphere of early Earth is currently thought to have contained:

Millions of years ago, the activity of which cellular organelle would have been dependent upon the presence of cyanobacteria?

The serial endosymbiosis hypothesis states that the origin of mitochondria and chloroplasts was the result of a mutually advantageous symbiotic relationship between two eukaryotic organisms. ______________

Which is the largest division of the geologic time scale?

The "Age of Fishes" is an informal name for which time period?

Figure 21-2 What is the animal in the accompanying figure?

The first photosynthetic autotrophs used the energy of the sun to split H 2O because it is not very electronegative. ______________

Mammal-like reptiles arose during which time period?

The mass extinction at the end of the Cretaceous period was likely the result of:

What are the protobionts produced by abiotically produced polypeptides?

What is the approximate age of Earth?

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

The first photosynthetic autotrophs used the energy of the sun to split H ₂O because it is not very electronegative. ______________