Question 1

____________________ were warm-blooded, so they were able to adapt to a wide variety of latitudes.

Accepted Answer

The answer of ____________________ were warm-blooded, so they were able...

Question 2

Trilobites are common organisms in aquaria today.

Accepted Answer

A) True 
 B)False

Question 3

The earliest vascular land plants were characterized by which features?

Accepted Answer

A) seed-producing and rootless 
B) seedless and root-bearing 
C) seedless and rhizome-bearing 
D) seed-bearing and rhizome bearing 
E) seedless and rootless 
A) seed-producing and rootless 
B) seedless and root-bearing 
C) seedless and rhizome-bearing 
D) seed-bearing and rhizome bearing 
E) seedless and rootless

Question 4

_____ evolved in response to the need to collect water and nutrients from soil.

Accepted Answer

A) Cellulose 
B) Cutin 
C) Leaves 
D) Photosynthesis 
E) Roots 
A) Cellulose 
B) Cutin 
C) Leaves 
D) Photosynthesis 
E) Roots

Question 5

Why do most experts agree that the ancestors of land plants evolved in marine environments?

Accepted Answer

A) Roots would not have developed on land. 
B) Differences in osmotic pressures between saltwater and freshwater could be overcome while plants were still in water. 
C) There were no freshwater environments in the Paleozoic. 
D) The first vascular plants are only found in marine environments. 
E) Non-vascular plants require saltwater environments. 
A) Roots would not have developed on land. 
B) Differences in osmotic pressures between saltwater and freshwater could be overcome while plants were still in water. 
C) There were no freshwater environments in the Paleozoic. 
D) The first vascular plants are only found in marine environments. 
E) Non-vascular plants require saltwater environments.

Question 6

What is the age of the Burgess Shale? What is its significance, and why did this unique preservation occur?

Accepted Answer

The Burgess Shale dates from the Middle

Question 7

The presence of an exoskeleton enables an organism to adapt to shallow water by providing protection from ____________________.

Accepted Answer

ultraviole

Question 8

The development that set the stage for the evolution of animals that lived entirely on the land was the ____________________.

Accepted Answer

The answer of The development that set the stage for...

Question 9

Animals with rigid skeletons appeared abruptly in the fossil record at the beginning of the Paleozoic.

Accepted Answer

A) True 
 B)False

Question 10

The development of ____________________ increased the diversity of foods that fish could consume.

Accepted Answer

The answer of The development of ____________________ increased the diversity...

Question 11

Trilobites, an organism abundant in the Early Paleozoic and less abundant in the Late Paleozoic, greatly flourished after the Permian extinction.

Accepted Answer

A) True 
 B)False

Question 12

Organisms that live on the seafloor are called ____________________.

Accepted Answer

The answer of Organisms that live on the seafloor are...

Question 13

____________________ in jawless fish eventually developed into jaws.

Accepted Answer

The answer of ____________________ in jawless fish eventually developed into...

Question 14

What does the name Placoderm mean?

Accepted Answer

A) plate-skinned 
B) bony skin 
C) scaly skin 
D) spiny skin 
E) fleshy skin 
A) plate-skinned 
B) bony skin 
C) scaly skin 
D) spiny skin 
E) fleshy skin

Question 15

The crossopterygians were well-adapted to move onto the land because they had ____.

Accepted Answer

A) lungs, but not necessarily a means for locomotion 
B) a means for locomotion, but not necessarily lungs 
C) cartilaginous skeletons 
D) lungs and a means of locomotion 
E) webbed feet 
A) lungs, but not necessarily a means for locomotion 
B) a means for locomotion, but not necessarily lungs 
C) cartilaginous skeletons 
D) lungs and a means of locomotion 
E) webbed feet

Question 16

Over geologic time, _____ open up vast areas of shallow seas that could be inhabited and exploited.

Accepted Answer

A) marine transgressions over the cratons 
B) marine regressions from the cratons 
C) glaciations 
D) continental movements 
E) mass extinctions 
A) marine transgressions over the cratons 
B) marine regressions from the cratons 
C) glaciations 
D) continental movements 
E) mass extinctions

Question 17

The 360-million-year-old Acanthostega ____.

Accepted Answer

A) had limbs but could not walk on land 
B) had limbs and could walk on land 
C) lived entirely on land 
D) had no limbs but lived on land 
E) lived entirely in water 
A) had limbs but could not walk on land 
B) had limbs and could walk on land 
C) lived entirely on land 
D) had no limbs but lived on land 
E) lived entirely in water

Question 18

The vast epeiric sea of the Middle Ordovician was ____.

Accepted Answer

A) very deep 
B) uniformly warm 
C) very cold 
D) lifeless 
E) super-oxygenated 
A) very deep 
B) uniformly warm 
C) very cold 
D) lifeless 
E) super-oxygenated

Question 19

By the end of the Permian, small mammal-like reptiles, called ____________________, evolved from the pelycosaur.

Accepted Answer

The answer of By the end of the Permian, small...

Question 20

Which feeding group ingests sediment and extract nutrients from it?

Accepted Answer

A) herbivores 
B) sediment-deposit feeders 
C) carnivore-scavengers 
D) epifauna 
E) suspension feeders 
A) herbivores 
B) sediment-deposit feeders 
C) carnivore-scavengers 
D) epifauna 
E) suspension feeders

Exam 21: Paleozoic Life History

____________________ were warm-blooded, so they were able to adapt to a wide variety of latitudes.

Trilobites are common organisms in aquaria today.

The earliest vascular land plants were characterized by which features?

_____ evolved in response to the need to collect water and nutrients from soil.

Why do most experts agree that the ancestors of land plants evolved in marine environments?

What is the age of the Burgess Shale? What is its significance, and why did this unique preservation occur?

The presence of an exoskeleton enables an organism to adapt to shallow water by providing protection from ____________________.

The development that set the stage for the evolution of animals that lived entirely on the land was the ____________________.

Animals with rigid skeletons appeared abruptly in the fossil record at the beginning of the Paleozoic.

The development of ____________________ increased the diversity of foods that fish could consume.

Trilobites, an organism abundant in the Early Paleozoic and less abundant in the Late Paleozoic, greatly flourished after the Permian extinction.

Organisms that live on the seafloor are called ____________________.

____________________ in jawless fish eventually developed into jaws.

What does the name Placoderm mean?

The crossopterygians were well-adapted to move onto the land because they had ____.

Over geologic time, _____ open up vast areas of shallow seas that could be inhabited and exploited.

The 360-million-year-old Acanthostega ____.

The vast epeiric sea of the Middle Ordovician was ____.

By the end of the Permian, small mammal-like reptiles, called ____________________, evolved from the pelycosaur.

Which feeding group ingests sediment and extract nutrients from it?

Understanding Earth: a Dynamic and Evolving Planet

Plate Tectonics: a Unifying Theory

Minerals: The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earthapos;s Interior

Deformation, Mountain Building, and Earthapos;s Crust

Mass Wasting

Running Water--Streams and Rivers

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Organic Evolution--The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Earth History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

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