Question 1

Which of the following is NOT true of climax communities?

Accepted Answer

A) They have fewer types of interactions among organisms than successional communities. 
B) They have more kinds of organisms than successional communities. 
C) They have a relatively constant biomass while successional communities tend to accumulate biomass. 
D) They are able to maintain their mix of species and successional communities do not. 
A) They have fewer types of interactions among organisms than successional communities. 
B) They have more kinds of organisms than successional communities. 
C) They have a relatively constant biomass while successional communities tend to accumulate biomass. 
D) They are able to maintain their mix of species and successional communities do not. A

Question 2

Human impact on desert areas is mainly due to which one of the following factors?

Accepted Answer

A) introduction of alien species 
B) roads and highways 
C) transport of water to deserts 
D) None of these statements correct. 
A) introduction of alien species 
B) roads and highways 
C) transport of water to deserts 
D) None of these statements correct. C

Question 3

A conservation easement is:

Accepted Answer

A) A legally binding agreement. 
B) A document that limits the future use or development of property. 
C) A document that is placed on a piece of privately owned land. 
D) All of the options are correct. 
A) A legally binding agreement. 
B) A document that limits the future use or development of property. 
C) A document that is placed on a piece of privately owned land. 
D) All of the options are correct. D

Question 4

Which of the following best matches the description?
-Upper layer of the ocean where the sun's rays penetrate.

Accepted Answer

A) phytoplankton 
B) littoral zone 
C) desert 
D) pioneer community 
E) grassland
F)boreal forest
G)pelagic
H)tundra
I)none of above
J)benthic
K)deciduous forest
L)biochemical oxygen demand
M)periphyton
N)marsh
O)savanna
P)euphotic zone 
A) phytoplankton 
B) littoral zone 
C) desert 
D) pioneer community 
E) grassland
F)boreal forest
G)pelagic
H)tundra
I)none of above
J)benthic
K)deciduous forest
L)biochemical oxygen demand
M)periphyton
N)marsh
O)savanna
P)euphotic zone

Question 5

Conservation easements can

Accepted Answer

A) decrease the economic value of a tract of land. 
B) restrict access in order to protect endangered species. 
C) prohibit the subdivision or development of a tract of land. 
D) All of these are correct. 
A) decrease the economic value of a tract of land. 
B) restrict access in order to protect endangered species. 
C) prohibit the subdivision or development of a tract of land. 
D) All of these are correct.

Question 6

Regional terrestrial climax communities are called eutrophic systems.

Accepted Answer

A) True 
 B)False

Question 7

In an aquatic ecosystem,sedges and grasses are often found in central deeper portions of the body of water.

Accepted Answer

A) True 
 B)False

Question 8

Muddy shores are often poor in oxygen.

Accepted Answer

A) True 
 B)False

Question 9

Savannas are found in

Accepted Answer

A) Europe. 
B) tropical parts of Africa. 
C) Canada. 
D) None of these are correct. 
A) Europe. 
B) tropical parts of Africa. 
C) Canada. 
D) None of these are correct.

Question 10

Most temperate deciduous forests have survived without impact from human activity due to their location.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following best matches the description?
-Biome which is dominated by grass,and in which trees are rare.

Accepted Answer

A) phytoplankton 
B) littoral zone 
C) desert 
D) pioneer community 
E) grassland
F)boreal forest
G)pelagic
H)tundra
I)none of above
J)benthic
K)deciduous forest
L)biochemical oxygen demand
M)periphyton
N)marsh
O)savanna
P)euphotic 
A) phytoplankton 
B) littoral zone 
C) desert 
D) pioneer community 
E) grassland
F)boreal forest
G)pelagic
H)tundra
I)none of above
J)benthic
K)deciduous forest
L)biochemical oxygen demand
M)periphyton
N)marsh
O)savanna
P)euphotic

Question 12

Which of the following is NOT a characteristic of temperate deciduous forests?

Accepted Answer

A) They have fewer species than a tropical rainforest. 
B) They contain shade-tolerant spring wildflowers. 
C) They produce useful plant products such as cashew nuts,vanilla,and rubber. 
D) All of the choices are characteristics. 
A) They have fewer species than a tropical rainforest. 
B) They contain shade-tolerant spring wildflowers. 
C) They produce useful plant products such as cashew nuts,vanilla,and rubber. 
D) All of the choices are characteristics.

Question 13

In a rainforest,most of the sunlight is captured by trees and therefore only

Accepted Answer

A) small plants grow there. 
B) fast growing trees and shrubs grow there. 
C) vines can grow underneath them. 
D) shade-tolerant plants live beneath the canopy. 
A) small plants grow there. 
B) fast growing trees and shrubs grow there. 
C) vines can grow underneath them. 
D) shade-tolerant plants live beneath the canopy.

Question 14

Which of the following best matches the description?
-Organisms that live on the bottom of marine or freshwater ecosystems.

Accepted Answer

A) phytoplankton 
B) littoral zone 
C) desert 
D) pioneer community 
E) grassland
F)boreal forest
G)pelagic
H)tundra
I)none of above
J)benthic
K)deciduous forest
L)biochemical oxygen demand
M)periphyton
N)marsh
O)savanna
P)euphotic 
A) phytoplankton 
B) littoral zone 
C) desert 
D) pioneer community 
E) grassland
F)boreal forest
G)pelagic
H)tundra
I)none of above
J)benthic
K)deciduous forest
L)biochemical oxygen demand
M)periphyton
N)marsh
O)savanna
P)euphotic

Question 15

Deep cold-water lakes with poor productivity are called oligotrophic systems.

Accepted Answer

A) True 
 B)False

Question 16

Most grasslands in North America have been heavily influenced by:

Accepted Answer

A) Development of shopping malls. 
B) Oil and gas development. 
C) Agriculture and the grazing of domesticated animals. 
D) Urban development. 
A) Development of shopping malls. 
B) Oil and gas development. 
C) Agriculture and the grazing of domesticated animals. 
D) Urban development.

Question 17

Which is an example of a stage in secondary succession?

Accepted Answer

A) bare rock produced from a volcano 
B) a forest regenerating after a forest fire 
C) a new lake produced by damming a river 
D) pure sand 
A) bare rock produced from a volcano 
B) a forest regenerating after a forest fire 
C) a new lake produced by damming a river 
D) pure sand

Question 18

Ecologists have learned that succession is influenced by many factors other than climate alone including

Accepted Answer

A) the evolution of new species. 
B) invasive species,human land use history,and seed dispersal. 
C) biogeochemical cycles,available oxygen,and superfund sites. 
D) slope,wind patterns,and toxicity levels. 
A) the evolution of new species. 
B) invasive species,human land use history,and seed dispersal. 
C) biogeochemical cycles,available oxygen,and superfund sites. 
D) slope,wind patterns,and toxicity levels.

Question 19

What is the term used to describe a shallow,partially enclosed area where freshwater enters the ocean?

Accepted Answer

A) coral reef 
B) abyssal ecosystem 
C) mangrove swamp 
D) estuary 
A) coral reef 
B) abyssal ecosystem 
C) mangrove swamp 
D) estuary

Question 20

In desert biomes,flowering usually coincides with

Accepted Answer

A) moisture availability. 
B) Santa Ana winds. 
C) cool summers. 
D) migration of monarch butterflies. 
A) moisture availability. 
B) Santa Ana winds. 
C) cool summers. 
D) migration of monarch butterflies.

Which of the following is NOT true of climax communities?

Human impact on desert areas is mainly due to which one of the following factors?

A conservation easement is:

Which of the following best matches the description? -Upper layer of the ocean where the sun's rays penetrate.

Conservation easements can

Regional terrestrial climax communities are called eutrophic systems.

In an aquatic ecosystem,sedges and grasses are often found in central deeper portions of the body of water.

Muddy shores are often poor in oxygen.

Savannas are found in

Most temperate deciduous forests have survived without impact from human activity due to their location.

Which of the following best matches the description? -Biome which is dominated by grass,and in which trees are rare.

Which of the following is NOT a characteristic of temperate deciduous forests?

In a rainforest,most of the sunlight is captured by trees and therefore only

Which of the following best matches the description? -Organisms that live on the bottom of marine or freshwater ecosystems.

Deep cold-water lakes with poor productivity are called oligotrophic systems.

Most grasslands in North America have been heavily influenced by:

Which is an example of a stage in secondary succession?

Ecologists have learned that succession is influenced by many factors other than climate alone including

What is the term used to describe a shallow,partially enclosed area where freshwater enters the ocean?

In desert biomes,flowering usually coincides with

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Exam 6: Kinds of Ecosystems and Communities

Which of the following is NOT true of climax communities?

Human impact on desert areas is mainly due to which one of the following factors?

A conservation easement is:

Which of the following best matches the description? -Upper layer of the ocean where the sun's rays penetrate.

Conservation easements can

Regional terrestrial climax communities are called eutrophic systems.

In an aquatic ecosystem,sedges and grasses are often found in central deeper portions of the body of water.

Muddy shores are often poor in oxygen.

Savannas are found in

Most temperate deciduous forests have survived without impact from human activity due to their location.

Which of the following best matches the description? -Biome which is dominated by grass,and in which trees are rare.

Which of the following is NOT a characteristic of temperate deciduous forests?

In a rainforest,most of the sunlight is captured by trees and therefore only

Which of the following best matches the description? -Organisms that live on the bottom of marine or freshwater ecosystems.

Deep cold-water lakes with poor productivity are called oligotrophic systems.

Most grasslands in North America have been heavily influenced by:

Which is an example of a stage in secondary succession?

Ecologists have learned that succession is influenced by many factors other than climate alone including

What is the term used to describe a shallow,partially enclosed area where freshwater enters the ocean?

In desert biomes,flowering usually coincides with

Environmental Interrelationships

Environmental Ethics

Risk,economics,and Environmental Concerns

Interrelated Scientific Principles

Interactions: Environments and Organisms

Populations: Characteristics and Issues

Energy and Civilization: Patterns of Consumption

Nonrenewable Energy Sources

Renewable Energy Sources

Biodiversity

Land-Use

Soil

Agricultural Methods

Water

Air Quality Issues

Climate Change: a 21st Century Issue

Solid Waste Management and Disposal

Environmental Regulations: Hazardous Substances and Wastes

Environmental Policy

Filters