Question 1

Some planktonic organisms,known as ________,carry on photosynthesis and are the base of the food web in a pelagic ecosystem.

Accepted Answer

The answer of Some planktonic organisms,known as ________,carry on photosynthesis...

Question 2

Which of the following best matches the description?
-Photosynthetic free-floating marine organisms.

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 3

Human impact on temperate forests include

Accepted Answer

A) farming. 
B) logging. 
C) population centers. 
D) All of these are correct. 
A) farming. 
B) logging. 
C) population centers. 
D) All of these are correct.

Question 4

Savannas differ from grasslands by having

Accepted Answer

A) less annual precipitation. 
B) lower average annual temperature. 
C) no grazers. 
D) a period of the year with heavy rain followed by a lack of rainfall. 
A) less annual precipitation. 
B) lower average annual temperature. 
C) no grazers. 
D) a period of the year with heavy rain followed by a lack of rainfall.

Question 5

Which of the following is NOT typical of a lake ecosystem?

Accepted Answer

A) many kinds of aquatic insects 
B) plankton 
C) a euphotic zone 
D) corals 
A) many kinds of aquatic insects 
B) plankton 
C) a euphotic zone 
D) corals

Question 6

Which of the following is NOT a threat to tropical rainforests?

Accepted Answer

A) logging 
B) ranching 
C) agriculture 
D) All are threats. 
A) logging 
B) ranching 
C) agriculture 
D) All are threats.

Question 7

Organisms that are not attached to the bottom of the ocean are called ________ organisms.

Accepted Answer

The answer of Organisms that are not attached to the...

Question 8

Each stage in the process of succession is called a

Accepted Answer

A) seral stage. 
B) primary stage. 
C) reef-forming stage. 
D) None of these are correct. 
A) seral stage. 
B) primary stage. 
C) reef-forming stage. 
D) None of these are correct.

Question 9

Which of the following best matches the description?
-Amount of oxygen used by decomposer organisms to degrade organic molecules in aquatic 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 10

What is the dominant organism colonizing bare rock during primary succession?

Accepted Answer

A) bacteria 
B) algae 
C) lichens 
D) submergent plants 
A) bacteria 
B) algae 
C) lichens 
D) submergent plants

Question 11

Rocky shores along the ocean provide surfaces for organisms to attach themselves.

Accepted Answer

A) True 
 B)False

Question 12

The primary determiners of biomes are the amount and distribution of rainfall and the yearly temperature cycle.

Accepted Answer

A) True 
 B)False

Question 13

Oceans cover approximately

Accepted Answer

A) 40% of the earth's surface. 
B) 50% of the earth's surface. 
C) 60% of the earth's surface. 
D) 70% of the earth's surface. 
A) 40% of the earth's surface. 
B) 50% of the earth's surface. 
C) 60% of the earth's surface. 
D) 70% of the earth's surface.

Question 14

Primary succession is

Accepted Answer

A) a progression that begins with a total lack of organisms. 
B) of very short duration. 
C) a progression that begins with destruction of an existing ecosystem. 
D) All of these are correct. 
A) a progression that begins with a total lack of organisms. 
B) of very short duration. 
C) a progression that begins with destruction of an existing ecosystem. 
D) All of these are correct.

Question 15

In order to save the northern spotted owl,________ was banned on much of the old-growth forest in the Pacific Northwest where the owl lives.

Accepted Answer

The answer of In order to save the northern spotted...

Question 16

Which of the following best matches the description?
-Biome that has a long growing season,supports trees,has a change of seasons,and relatively evenly distributed annual precipitation.

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 17

Which of the following best matches the description?
-Biome that lacks trees and has permanently frozen soil.

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 18

Coral reefs are cold-water marine ecosystems dominated by tubeworms.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following best matches the description?
-Biome composed of a coniferous and deciduous trees with a short summer.

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 20

Which of the following best matches the description?
-Area of grasses and reeds that is either flooded permanently or for most of the year.

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

Some planktonic organisms,known as ________,carry on photosynthesis and are the base of the food web in a pelagic ecosystem.

Which of the following best matches the description? -Photosynthetic free-floating marine organisms.

Human impact on temperate forests include

Savannas differ from grasslands by having

Which of the following is NOT typical of a lake ecosystem?

Which of the following is NOT a threat to tropical rainforests?

Organisms that are not attached to the bottom of the ocean are called ________ organisms.

Each stage in the process of succession is called a

Which of the following best matches the description? -Amount of oxygen used by decomposer organisms to degrade organic molecules in aquatic ecosystems.

What is the dominant organism colonizing bare rock during primary succession?

Rocky shores along the ocean provide surfaces for organisms to attach themselves.

The primary determiners of biomes are the amount and distribution of rainfall and the yearly temperature cycle.

Oceans cover approximately

Primary succession is

In order to save the northern spotted owl,________ was banned on much of the old-growth forest in the Pacific Northwest where the owl lives.

Which of the following best matches the description? -Biome that has a long growing season,supports trees,has a change of seasons,and relatively evenly distributed annual precipitation.

Which of the following best matches the description? -Biome that lacks trees and has permanently frozen soil.

Coral reefs are cold-water marine ecosystems dominated by tubeworms.

Which of the following best matches the description? -Biome composed of a coniferous and deciduous trees with a short summer.

Which of the following best matches the description? -Area of grasses and reeds that is either flooded permanently or for most of the year.

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

Exam 6: Kinds of Ecosystems and Communities

Some planktonic organisms,known as ________,carry on photosynthesis and are the base of the food web in a pelagic ecosystem.

Which of the following best matches the description? -Photosynthetic free-floating marine organisms.

Human impact on temperate forests include

Savannas differ from grasslands by having

Which of the following is NOT typical of a lake ecosystem?

Which of the following is NOT a threat to tropical rainforests?

Organisms that are not attached to the bottom of the ocean are called ________ organisms.

Each stage in the process of succession is called a

Which of the following best matches the description? -Amount of oxygen used by decomposer organisms to degrade organic molecules in aquatic ecosystems.

What is the dominant organism colonizing bare rock during primary succession?

Rocky shores along the ocean provide surfaces for organisms to attach themselves.

The primary determiners of biomes are the amount and distribution of rainfall and the yearly temperature cycle.

Oceans cover approximately

Primary succession is

In order to save the northern spotted owl,________ was banned on much of the old-growth forest in the Pacific Northwest where the owl lives.

Which of the following best matches the description? -Biome that has a long growing season,supports trees,has a change of seasons,and relatively evenly distributed annual precipitation.

Which of the following best matches the description? -Biome that lacks trees and has permanently frozen soil.

Coral reefs are cold-water marine ecosystems dominated by tubeworms.

Which of the following best matches the description? -Biome composed of a coniferous and deciduous trees with a short summer.

Which of the following best matches the description? -Area of grasses and reeds that is either flooded permanently or for most of the year.

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