Question 1

The soil-forming process that occurs naturally in desert basins and along the coast and is a problem in agricultural areas where irrigation is practiced is

Accepted Answer

A) calcification. 
B) gleization. 
C) laterization. 
D) salinization. 
A) calcification. 
B) gleization. 
C) laterization. 
D) salinization. D

Question 2

Beer's law can be used to describe the attenuation of light in both aquatic and terrestrial environments.

Accepted Answer

A) True 
 B)False  True

Question 3

An increase in soil acidity is responsible for releasing soluble aluminum,which can be toxic to plant roots.

Accepted Answer

A) True 
 B)False  True

Question 4

Leaching is

Accepted Answer

A) the movement of solutes through soil. 
B) the breakdown of parent material. 
C) the gain of cations. 
D) the loss of leaves from a plant. 
A) the movement of solutes through soil. 
B) the breakdown of parent material. 
C) the gain of cations. 
D) the loss of leaves from a plant.

Question 5

About 75%-95% of living cells,both plant and animal,is composed of ________.

Accepted Answer

The answer of About 75%-95% of living cells,both plant and...

Question 6

The greater the leaf area index (LAI)above the forest floor,the lower the quantity of light reaching the forest floor.

Accepted Answer

A) True 
 B)False

Question 7

Laterization is a soil-forming process that is typical of cool,moist climates at high latitudes.

Accepted Answer

A) True 
 B)False

Question 8

Oxisols are formed in areas with frozen soil.

Accepted Answer

A) True 
 B)False

Question 9

The parent material of soils originating from sand and silt carried by the wind is referred to as ________.

Accepted Answer

The answer of The parent material of soils originating from...

Question 10

Each of the following is a challenge faced by a terrestrial plant except

Accepted Answer

A) buoyancy. 
B) desiccation. 
C) cells and tissues to maintain structure. 
D) variability in air temperature. 
A) buoyancy. 
B) desiccation. 
C) cells and tissues to maintain structure. 
D) variability in air temperature.

Question 11

A rock that is broken into smaller fragments as a result of freezing and thawing has experienced ________ weathering.

Accepted Answer

The answer of A rock that is broken into smaller...

Question 12

No till farming is advantageous because it

Accepted Answer

A) reduces soil erosion. 
B) increases yield. 
C) decreases need for pesticide use. 
D) decreases plant cover. 
A) reduces soil erosion. 
B) increases yield. 
C) decreases need for pesticide use. 
D) decreases plant cover.

Question 13

Light availability within a forest is lowest in the

Accepted Answer

A) canopy layer. 
B) midstory layer. 
C) understory layer. 
D) ground layer. 
A) canopy layer. 
B) midstory layer. 
C) understory layer. 
D) ground layer.

Question 14

The Dust Bowl occurred

Accepted Answer

A) in the Central Valley of California. 
B) in the Great Plains. 
C) on the Eastern Seaboard. 
D) in Southern Texas. 
A) in the Central Valley of California. 
B) in the Great Plains. 
C) on the Eastern Seaboard. 
D) in Southern Texas.

Question 15

Which of the following statements is incorrect?

Accepted Answer

A) Topography affects the erosion of parent material. 
B) Soil develops very rapidly,within several years. 
C) Plants move nutrients from deep in the soil to the surface. 
D) Plant roots stabilize the soil surface. 
A) Topography affects the erosion of parent material. 
B) Soil develops very rapidly,within several years. 
C) Plants move nutrients from deep in the soil to the surface. 
D) Plant roots stabilize the soil surface.

Question 16

The ________ exchange capacity is a basic measure of soil quality and increases with higher clay and organic matter content.

Accepted Answer

The answer of The ________ exchange capacity is a basic...

Question 17

Soil formed by water seeping into rock crevices,freezing,and expanding is an example of chemical weathering.

Accepted Answer

A) True 
 B)False

Question 18

The amount of light at any depth in the canopy is affected by the number of ________ above.

Accepted Answer

The answer of The amount of light at any depth...

Question 19

Animal life depends on the ________ within a region to provide the essential resources of food and cover.

Accepted Answer

The answer of Animal life depends on the ________ within...

Question 20

Particles of ________ control the water-holding capacity of soil and ion exchange.

Accepted Answer

The answer of Particles of ________ control the water-holding capacity...

Exam 4: The Terrestrial Environment

The soil-forming process that occurs naturally in desert basins and along the coast and is a problem in agricultural areas where irrigation is practiced is

Beer's law can be used to describe the attenuation of light in both aquatic and terrestrial environments.

An increase in soil acidity is responsible for releasing soluble aluminum,which can be toxic to plant roots.

Leaching is

About 75%-95% of living cells,both plant and animal,is composed of ________.

The greater the leaf area index (LAI)above the forest floor,the lower the quantity of light reaching the forest floor.

Laterization is a soil-forming process that is typical of cool,moist climates at high latitudes.

Oxisols are formed in areas with frozen soil.

The parent material of soils originating from sand and silt carried by the wind is referred to as ________.

Each of the following is a challenge faced by a terrestrial plant except

A rock that is broken into smaller fragments as a result of freezing and thawing has experienced ________ weathering.

No till farming is advantageous because it

Light availability within a forest is lowest in the

The Dust Bowl occurred

Which of the following statements is incorrect?

The ________ exchange capacity is a basic measure of soil quality and increases with higher clay and organic matter content.

Soil formed by water seeping into rock crevices,freezing,and expanding is an example of chemical weathering.

The amount of light at any depth in the canopy is affected by the number of ________ above.

Animal life depends on the ________ within a region to provide the essential resources of food and cover.

Particles of ________ control the water-holding capacity of soil and ion exchange.

The Nature of Ecology

Climate

The Aquatic Environment

Adaptation and Natural Selection

Plant Adaptations to the Environment

Animal Adaptations to the Environment

Properties of Populations

Population Growth

Life History

Intraspecific Population Regulation

Species Interactions, population Dynamics, and Natural Selection

Interspecific Competition

Predation

Parasitism and Mutualism

Community Structure

Factors Influencing the Structure of Communities

Community Dynamics

Landscape Dynamics

Ecosystem Energetics

Decomposition and Nutrient Cycling

Biogeochemical Cycles

Terrestrial Ecosystems

Aquatic Ecosystems

Coastal and Wetland Ecosystems

Large-Scale Patterns of Biological Diversity

The Ecology of Climate Change

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