Question 1

Marine flowering plants include all of the following except:

Accepted Answer

A) eel grass. 
B) mangroves. 
C) Spartina alterniflora. 
D) shoal grass. 
E) Ulva. 
A) eel grass. 
B) mangroves. 
C) Spartina alterniflora. 
D) shoal grass. 
E) Ulva.

Question 2

If the total caloric content of the autotrophic organisms in a marine ecosystem were 250,000 KCAL,then the expected caloric value for the second-level consumers would be 25,000 KCAL.

Accepted Answer

A) True 
 B)False

Question 3

Most marine algae are limited to depths above 100 meters;red algae have been observed growing at depths of over 250 meters.

Accepted Answer

A) True 
 B)False

Question 4

The group of marine algae with the highest abundance and greatest geographic distribution belong to the Division Rhodophyta.

Accepted Answer

A) True 
 B)False

Question 5

The term-by catch refers to:

Accepted Answer

A) krill and other shellfish. 
B) non-target species that are caught along with commercial species. 
C) species caught as part of traditional fisheries. 
D) species harvested for industrial purposes. 
E) species raised in aquaculture settings. 
A) krill and other shellfish. 
B) non-target species that are caught along with commercial species. 
C) species caught as part of traditional fisheries. 
D) species harvested for industrial purposes. 
E) species raised in aquaculture settings.

Question 6

Identify the mismatched pair.

Accepted Answer

A) barnacles-whales 
B) remora-shark 
C) resurrection ferns-live oak trees 
D) Spanish moss-live oak trees 
E) zooxanthallae-coral 
A) barnacles-whales 
B) remora-shark 
C) resurrection ferns-live oak trees 
D) Spanish moss-live oak trees 
E) zooxanthallae-coral

Question 7

A symbiotic relationship in which one organism benefits and the other is unaffected is:

Accepted Answer

A) commensalism. 
B) ectoparasitism. 
C) endoparasitism. 
D) mutualism. 
E) predation. 
A) commensalism. 
B) ectoparasitism. 
C) endoparasitism. 
D) mutualism. 
E) predation.

Question 8

Consumers,producers,and decomposers are all examples of trophic levels within a food chain or food web.

Accepted Answer

A) True 
 B)False

Question 9

Bacteria that manufacture carbohydrates in the absence of solar energy from inorganic carbon are autotrophs.

Accepted Answer

A) True 
 B)False

Question 10

Productivity in polar oceans is:

Accepted Answer

A) light-limited. 
B) nutrient-limited. 
C) oxygen-limited. 
D) light and nutrient-limited. 
E) nutrient and oxygen-limited. 
A) light-limited. 
B) nutrient-limited. 
C) oxygen-limited. 
D) light and nutrient-limited. 
E) nutrient and oxygen-limited.

Question 11

Which of the following pairs is an incorrect match between organisms and the type of symbiotic relationship they manifest?

Accepted Answer

A) coral-dinoflagellates: mutualism 
B) fish-isopods: parasitism 
C) grouper-cleaner wrasse: commensalism 
D) shark-remora: commensalism 
E) whale-barnacle: mutualism 
A) coral-dinoflagellates: mutualism 
B) fish-isopods: parasitism 
C) grouper-cleaner wrasse: commensalism 
D) shark-remora: commensalism 
E) whale-barnacle: mutualism

Question 12

The percentage of euphotic zone biomass that reaches the deep ocean floor is approximately:

Accepted Answer

A) 1 %. 
B) 10% 
C) 30% 
D) 50% 
E) 90%. 
A) 1 %. 
B) 10% 
C) 30% 
D) 50% 
E) 90%.

Question 13

Harmful algal blooms (HABs):

Accepted Answer

A) are attributed to Vibriobacter cholerae. 
B) are caused by diatoms and coccolithophorids. 
C) do not affect coastal fisheries. 
D) have decreased in frequency since 1992. 
E) may produce toxins that affect human neurological functioning. 
A) are attributed to Vibriobacter cholerae. 
B) are caused by diatoms and coccolithophorids. 
C) do not affect coastal fisheries. 
D) have decreased in frequency since 1992. 
E) may produce toxins that affect human neurological functioning.

Marine flowering plants include all of the following except:

If the total caloric content of the autotrophic organisms in a marine ecosystem were 250,000 KCAL,then the expected caloric value for the second-level consumers would be 25,000 KCAL.

Most marine algae are limited to depths above 100 meters;red algae have been observed growing at depths of over 250 meters.

The group of marine algae with the highest abundance and greatest geographic distribution belong to the Division Rhodophyta.

The term-by catch refers to:

Identify the mismatched pair.

A symbiotic relationship in which one organism benefits and the other is unaffected is:

Consumers,producers,and decomposers are all examples of trophic levels within a food chain or food web.

Bacteria that manufacture carbohydrates in the absence of solar energy from inorganic carbon are autotrophs.

Productivity in polar oceans is:

Which of the following pairs is an incorrect match between organisms and the type of symbiotic relationship they manifest?

The percentage of euphotic zone biomass that reaches the deep ocean floor is approximately:

Harmful algal blooms (HABs):

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Animals of the Pelagic Environment

Animals of the Benthic Environment

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Exam 13: Biological Productivity and Energy Transfer

Marine flowering plants include all of the following except:

If the total caloric content of the autotrophic organisms in a marine ecosystem were 250,000 KCAL,then the expected caloric value for the second-level consumers would be 25,000 KCAL.

Most marine algae are limited to depths above 100 meters;red algae have been observed growing at depths of over 250 meters.

The group of marine algae with the highest abundance and greatest geographic distribution belong to the Division Rhodophyta.

The term-by catch refers to:

Identify the mismatched pair.

A symbiotic relationship in which one organism benefits and the other is unaffected is:

Consumers,producers,and decomposers are all examples of trophic levels within a food chain or food web.

Bacteria that manufacture carbohydrates in the absence of solar energy from inorganic carbon are autotrophs.

Productivity in polar oceans is:

Which of the following pairs is an incorrect match between organisms and the type of symbiotic relationship they manifest?

The percentage of euphotic zone biomass that reaches the deep ocean floor is approximately:

Harmful algal blooms (HABs):

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Animals of the Pelagic Environment

Animals of the Benthic Environment

Filters