Question 1

_________are flat lands surrounding rivers that are covered with nutrient -rich sediments when water overflows the banks.

Accepted Answer

The answer of _________are flat lands surrounding rivers that are...

Question 2

Which of the following North American biomes has been almost completely destroyed by agricultural use?

Accepted Answer

A)  Temperate deciduous forest 
B)  Grassland 
C)  Tundra 
D)  Desert 
E)  Northern coniferous forest 
A)  Temperate deciduous forest 
B)  Grassland 
C)  Tundra 
D)  Desert 
E)  Northern coniferous forest

Question 3

The highest biodiversity is found in temperate deciduous forests.)

Accepted Answer

A) True 
 B)False

Question 4

In many parts of the Amazon Basin, farmers have cut down the tropical rain -forest trees and planted crops. However, the farmers often abandon these croplands after a few years and move on. What are some possible reasons for this?

Accepted Answer

Soils in the tropical rain forest are ve

Question 5

Desert wildflowers typically bloom in late summer.

Accepted Answer

A) True 
 B)False

Question 6

List one of the two geographical characteristics of most deserts.

Accepted Answer

The two characteristics are th

Question 7

Why do plants dominate and define communities on land?)

Accepted Answer

Because plants cannot escape f

Question 8

The ozone hole over Antarctica and the general lowering of ozone levels elsewhere in the stratosphere have been attributed to the ozone-destroying properties of

Accepted Answer

A)  sulfur dioxide. 
B)  carbon dioxide and methane. 
C)  chlorofluorocarbons (CFCs). 
D)  nitrogen oxides. 
E)  endocrine-disrupting chemicals. 
A)  sulfur dioxide. 
B)  carbon dioxide and methane. 
C)  chlorofluorocarbons (CFCs). 
D)  nitrogen oxides. 
E)  endocrine-disrupting chemicals.

Question 9

Native Americans were able to prevent the encroachment of trees and maintain the tallgrass prairies by

Accepted Answer

A)  establishing an extensive irrigation system to increase soil moisture, thus favoring grasses. 
B)  restricting the migrations of bison, which caused the bison to browse heavily on tree seedlings and thus kill them. 
C)  setting fires periodically to kill the trees. 
D)  plowing much of the land for agriculture. 
E)  clear-cutting the forests for timber and fuel. 
A)  establishing an extensive irrigation system to increase soil moisture, thus favoring grasses. 
B)  restricting the migrations of bison, which caused the bison to browse heavily on tree seedlings and thus kill them. 
C)  setting fires periodically to kill the trees. 
D)  plowing much of the land for agriculture. 
E)  clear-cutting the forests for timber and fuel.

Question 10

The thick, green stems and spike-like leaves of cacti and other drought-resistant bushes are adaptations to

Accepted Answer

A)  take up atmospheric nitrogen in nutrient-poor environments. 
B)  increase gas exchange in oxygen-poor environments. 
C)  collect light in environments that have limited amounts of light. 
D)  conserve water in dry environments. 
E)  speed up heating and cooling in environments that have little temperature fluctuation. 
A)  take up atmospheric nitrogen in nutrient-poor environments. 
B)  increase gas exchange in oxygen-poor environments. 
C)  collect light in environments that have limited amounts of light. 
D)  conserve water in dry environments. 
E)  speed up heating and cooling in environments that have little temperature fluctuation.

Question 11

A rain shadow is caused by

Accepted Answer

A)  ocean currents that heat and cool more slowly than do air or landmasses. 
B)  large mountain masses in the center of continents that restrict air flow. 
C)  ocean currents that heat and cool more quickly than do air or landmasses. 
D)  cool, dry air that warms as it moves down over a mountain, picking up moisture. 
E)  warm, moist air that cools as it moves down over a mountain, releasing moisture. 
A)  ocean currents that heat and cool more slowly than do air or landmasses. 
B)  large mountain masses in the center of continents that restrict air flow. 
C)  ocean currents that heat and cool more quickly than do air or landmasses. 
D)  cool, dry air that warms as it moves down over a mountain, picking up moisture. 
E)  warm, moist air that cools as it moves down over a mountain, releasing moisture.

Question 12

In hydrothermal vent communities, primary productivity is based on

Accepted Answer

A)  herbivory. 
B)  detritivores 
C)  bacterial decomposition. 
D)  chemosynthesis. 
E)  photosynthesis. 
A)  herbivory. 
B)  detritivores 
C)  bacterial decomposition. 
D)  chemosynthesis. 
E)  photosynthesis.

Question 13

Why do most of the flowers in a temperate deciduous forest bloom in the spring?

Accepted Answer

A)  In the spring, the trees do not block the wind and thus do not prevent wind pollination. 
B)  The spring is the dry season; most of the rain falls during the cool, wet winters. 
C)  The leaves of deciduous trees do not block the light in the spring; therefore, sunlight reaches the forest floor. 
D)  The largest number of insect pollinators is available in the spring. 
E)  Nutrients are most available in the spring. 
A)  In the spring, the trees do not block the wind and thus do not prevent wind pollination. 
B)  The spring is the dry season; most of the rain falls during the cool, wet winters. 
C)  The leaves of deciduous trees do not block the light in the spring; therefore, sunlight reaches the forest floor. 
D)  The largest number of insect pollinators is available in the spring. 
E)  Nutrients are most available in the spring.

Question 14

Plants from both the chaparral and the Arctic have waxy coatings even though the temperatures in the two biomes are vastly different. Why?

Accepted Answer

In both biomes, water is available durin

Question 15

In the Southern Hemisphere, gyres rotate in the _________direction.

Accepted Answer

The answer of In the Southern Hemisphere, gyres rotate in...

Question 16

The northern coniferous forest is characterized by

Accepted Answer

A)  tallgrass. 
B)  long and cold winters, short growing seasons, and conifers. 
C)  fire-adapted plants. 
D)  dry soils that lack vegetation. 
E)  few grasses, moist soils, and trees that drop their leaves in the winter. 
A)  tallgrass. 
B)  long and cold winters, short growing seasons, and conifers. 
C)  fire-adapted plants. 
D)  dry soils that lack vegetation. 
E)  few grasses, moist soils, and trees that drop their leaves in the winter.

Question 17

The prevailing winds in the Glacier National Park area of Montana are from the west. Which side of this mountainous region receives the most rain and snow?

Accepted Answer

A)  East 
B)  West 
C)  South 
D)  North 
E)  It depends on the season. 
A)  East 
B)  West 
C)  South 
D)  North 
E)  It depends on the season.

Question 18

What is the dominant vegetation of the savanna?

Accepted Answer

A)  Trees with waxy needles 
B)  Cocoa 
C)  Grasses 
D)  Trees that lose their leaves 
E)  Lichens and scrub willows 
A)  Trees with waxy needles 
B)  Cocoa 
C)  Grasses 
D)  Trees that lose their leaves 
E)  Lichens and scrub willows

Question 19

Both the northern coniferous forest and the temperate rain forest are dominated by evergreen vegetation. What are the reasons in each biome?

Accepted Answer

In the northern coniferous forest, the g

Question 20

Permafrost is associated with which of these biomes?

Accepted Answer

A)  Tundra 
B)  Grassland 
C)  Temperate deciduous forest 
D)  Littoral 
E)  Northern coniferous forest 
A)  Tundra 
B)  Grassland 
C)  Temperate deciduous forest 
D)  Littoral 
E)  Northern coniferous forest

Exam 30: Earths Diverse Ecosystems

_________are flat lands surrounding rivers that are covered with nutrient -rich sediments when water overflows the banks.

Which of the following North American biomes has been almost completely destroyed by agricultural use?

The highest biodiversity is found in temperate deciduous forests.)

In many parts of the Amazon Basin, farmers have cut down the tropical rain -forest trees and planted crops. However, the farmers often abandon these croplands after a few years and move on. What are some possible reasons for this?

Desert wildflowers typically bloom in late summer.

List one of the two geographical characteristics of most deserts.

Why do plants dominate and define communities on land?)

The ozone hole over Antarctica and the general lowering of ozone levels elsewhere in the stratosphere have been attributed to the ozone-destroying properties of

Native Americans were able to prevent the encroachment of trees and maintain the tallgrass prairies by

The thick, green stems and spike-like leaves of cacti and other drought-resistant bushes are adaptations to

A rain shadow is caused by

In hydrothermal vent communities, primary productivity is based on

Why do most of the flowers in a temperate deciduous forest bloom in the spring?

Plants from both the chaparral and the Arctic have waxy coatings even though the temperatures in the two biomes are vastly different. Why?

In the Southern Hemisphere, gyres rotate in the _________direction.

The northern coniferous forest is characterized by

The prevailing winds in the Glacier National Park area of Montana are from the west. Which side of this mountainous region receives the most rain and snow?

What is the dominant vegetation of the savanna?

Both the northern coniferous forest and the temperate rain forest are dominated by evergreen vegetation. What are the reasons in each biome?

Permafrost is associated with which of these biomes?

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

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

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

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