Question 1

Energy flow in an ecosystem is:

Accepted Answer

A) bi-directional. 
B) cyclic. 
C) semi-conservative. 
D) top down. 
E) unidirectional. 
A) bi-directional. 
B) cyclic. 
C) semi-conservative. 
D) top down. 
E) unidirectional. E

Question 2

The distinction between a food chain and a food web is that a food chain describes a linear relationship among trophic levels whereas a food web describes the interconnected relationships among trophic structures in nature.

Accepted Answer

A) True 
 B)False  True

Question 3

In general, the rate at which energy is stored by organisms through the formation of organic matter is called:

Accepted Answer

A) biomass. 
B) chlorophyll. 
C) compensation depth. 
D) primary productivity. 
E) upwelling. 
A) biomass. 
B) chlorophyll. 
C) compensation depth. 
D) primary productivity. 
E) upwelling. D

Question 4

Nutrient flow in an ecosystem is:

Accepted Answer

A) bi-directional. 
B) cyclical. 
C) semi-conservative. 
D) top down. 
E) unidirectional. 
A) bi-directional. 
B) cyclical. 
C) semi-conservative. 
D) top down. 
E) unidirectional.

Question 5

List the major taxonomic groups of marine primary producers and give an example of each.

Accepted Answer

The major taxonomic groups of marine pri

Question 6

Nitrogen and phosphorus concentrations have no impact on primary productivity rates in marine ecosystems.

Accepted Answer

A) True 
 B)False

Question 7

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Accepted Answer

A)  lower rates of photosynthesis 
B)  high light levels 
C)  increased nitrogen concentration 
D)  increased phosphorus concentration 
E)  upwelling 
A)  lower rates of photosynthesis 
B)  high light levels 
C)  increased nitrogen concentration 
D)  increased phosphorus concentration 
E)  upwelling

Question 8

Net primary productivity can be estimated as the amount of photosynthesis plus the amount of respiration.

Accepted Answer

A) True 
 B)False

Question 9

Marine seed-bearing plants include all of the following except:

Accepted Answer

A) eelgrass. 
B) mangroves. 
C) Spartina alterniflora. 
D) surf grass. 
E) Ulva. 
A) eelgrass. 
B) mangroves. 
C) Spartina alterniflora. 
D) surf grass. 
E) Ulva.

Question 10

-Why do algal blooms frequently occur during spring and fall in temperate oceans?

Accepted Answer

Algal growth is limited by nutrient avai

Question 11

-Distinguish between eutrophic and oligotrophic oceans. Where would you expect to find eutrophic areas in the ocean? Oligotrophic areas?

Accepted Answer

Eutrophic and oligotrophic oceans refer

Question 12

Why are upwelling zones generally more productive than coastal oceans?

Accepted Answer

Coastal oceans are shallow in comparison

Question 13

Equatorial upwelling decreases primary productivity in tropical waters.

Accepted Answer

A) True 
 B)False

Question 14

Match the organism with its correct descriptor of energy use or trophic level. Use each choice once, more than once, or not at all.
-flounder

Accepted Answer

A) decomposer 
B) consumer 
C) producer 
A) decomposer 
B) consumer 
C) producer

Question 15

Match the term or phrase with its best descriptor. Use each answer once, more than once, or not at all.
-Marine Mammal Protection Act

Accepted Answer

A) catch limit 
B) dolphins and other mammal protection 
C) farming of commercial fish and shellfish 
D) catch size that reduces the population of target species 
E) incidental catch
F)turtle exclusion devices (TEDs)
G)maximum catch without reducing the population of target species
H)available biomass of a target species 
A) catch limit 
B) dolphins and other mammal protection 
C) farming of commercial fish and shellfish 
D) catch size that reduces the population of target species 
E) incidental catch
F)turtle exclusion devices (TEDs)
G)maximum catch without reducing the population of target species
H)available biomass of a target species

Question 16

All of the following are challenges to managing fisheries except:

Accepted Answer

A) overfishing. 
B) incident catch or bycatch. 
C) multinational boundaries. 
D) regulations on the number of fishing vessels. 
E) All of the above are correct. 
A) overfishing. 
B) incident catch or bycatch. 
C) multinational boundaries. 
D) regulations on the number of fishing vessels. 
E) All of the above are correct.

Question 17

Many fish stocks are characterized as overfished on a worldwide basis.

Accepted Answer

A) True 
 B)False

Question 18

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Accepted Answer

A)  Avicennia (black mangrove) 
B)  Rhizophora (red mangrove) 
C)  Sargassum (Gulf weed) 
D)  Spartina (marsh grass) 
E)  Zostera (eelgrass) 
A)  Avicennia (black mangrove) 
B)  Rhizophora (red mangrove) 
C)  Sargassum (Gulf weed) 
D)  Spartina (marsh grass) 
E)  Zostera (eelgrass)

Question 19

Diatoms are classified as members of the Division Chlorophyta.

Accepted Answer

A) True 
 B)False

Question 20

Many of the organisms responsible for toxic red tides and paralytic shellfish poisoning belong to the Division:

Accepted Answer

A) Bacillariophyta. 
B) Chlorophyta. 
C) Phaeophyta. 
D) Pyrrophyta. 
E) Rhodophyta. 
A) Bacillariophyta. 
B) Chlorophyta. 
C) Phaeophyta. 
D) Pyrrophyta. 
E) Rhodophyta.

Energy flow in an ecosystem is:

The distinction between a food chain and a food web is that a food chain describes a linear relationship among trophic levels whereas a food web describes the interconnected relationships among trophic structures in nature.

In general, the rate at which energy is stored by organisms through the formation of organic matter is called:

Nutrient flow in an ecosystem is:

List the major taxonomic groups of marine primary producers and give an example of each.

Nitrogen and phosphorus concentrations have no impact on primary productivity rates in marine ecosystems.

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Net primary productivity can be estimated as the amount of photosynthesis plus the amount of respiration.

Marine seed-bearing plants include all of the following except:

-Why do algal blooms frequently occur during spring and fall in temperate oceans?

-Distinguish between eutrophic and oligotrophic oceans. Where would you expect to find eutrophic areas in the ocean? Oligotrophic areas?

Why are upwelling zones generally more productive than coastal oceans?

Equatorial upwelling decreases primary productivity in tropical waters.

Match the organism with its correct descriptor of energy use or trophic level. Use each choice once, more than once, or not at all. -flounder

Match the term or phrase with its best descriptor. Use each answer once, more than once, or not at all. -Marine Mammal Protection Act

All of the following are challenges to managing fisheries except:

Many fish stocks are characterized as overfished on a worldwide basis.

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Diatoms are classified as members of the Division Chlorophyta.

Many of the organisms responsible for toxic red tides and paralytic shellfish poisoning belong to the Division:

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interaction

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Ocean

Marine Life and the Marine Environment

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

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Exam 13: Biological Productivity and Energy Transfer

Energy flow in an ecosystem is:

The distinction between a food chain and a food web is that a food chain describes a linear relationship among trophic levels whereas a food web describes the interconnected relationships among trophic structures in nature.

In general, the rate at which energy is stored by organisms through the formation of organic matter is called:

Nutrient flow in an ecosystem is:

List the major taxonomic groups of marine primary producers and give an example of each.

Nitrogen and phosphorus concentrations have no impact on primary productivity rates in marine ecosystems.

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Net primary productivity can be estimated as the amount of photosynthesis plus the amount of respiration.

Marine seed-bearing plants include all of the following except:

-Why do algal blooms frequently occur during spring and fall in temperate oceans?

-Distinguish between eutrophic and oligotrophic oceans. Where would you expect to find eutrophic areas in the ocean? Oligotrophic areas?

Why are upwelling zones generally more productive than coastal oceans?

Equatorial upwelling decreases primary productivity in tropical waters.

Match the organism with its correct descriptor of energy use or trophic level. Use each choice once, more than once, or not at all. -flounder

Match the term or phrase with its best descriptor. Use each answer once, more than once, or not at all. -Marine Mammal Protection Act

All of the following are challenges to managing fisheries except:

Many fish stocks are characterized as overfished on a worldwide basis.

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Diatoms are classified as members of the Division Chlorophyta.

Many of the organisms responsible for toxic red tides and paralytic shellfish poisoning belong to the Division:

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interaction

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Ocean

Marine Life and the Marine Environment

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

Filters