Question 1

The process of producing high-energy foods from inorganic compounds using sunlight energy is called:

Accepted Answer

A)  heterotrophy. 
B)  chemosynthesis. 
C)  photosynthesis. 
D)  grazing. 
E)  solar irradiation. 
A)  heterotrophy. 
B)  chemosynthesis. 
C)  photosynthesis. 
D)  grazing. 
E)  solar irradiation.

Question 2

You are asked to determine whether sulfur bacteria are active in a particular area of an estuary. What observations or tests can you perform to confirm this activity?

Accepted Answer

Sulfur bacteria convert H₂S, which has a

Question 3

Match the characteristic with its most closely associated organisms.
-Coccoliths

Accepted Answer

A) disc-shaped calcareous scales 
B) membranous sacs 
C) silicon frustules 
A) disc-shaped calcareous scales 
B) membranous sacs 
C) silicon frustules

Question 4

Match the description with the most closely associated word.
-Tinitinnids

Accepted Answer

A) have a lorica 
B) few body cilia 
C) dense and uniform distribution of cilia 
A) have a lorica 
B) few body cilia 
C) dense and uniform distribution of cilia

Question 5

A virus's nucleocapsid is sometimes covered with a(n):

Accepted Answer

A)  capsid. 
B)  virion. 
C)  organic material. 
D)  envelope. 
E)  membrane. 
A)  capsid. 
B)  virion. 
C)  organic material. 
D)  envelope. 
E)  membrane.

Question 6

Match the bacteria-caused process with the most closely associated characteristic.
-Lithification

Accepted Answer

A) alteration of the electrical charge 
B) settling out of large particles 
C) alteration of the pH 
A) alteration of the electrical charge 
B) settling out of large particles 
C) alteration of the pH

Question 7

Heterotrophic bacteria are able to break down large food items

Accepted Answer

A)  by ingesting them with pseudopods. 
B)  with exoenzymes. 
C)  by breaking them up with cilia. 
D)  by crushing with their larger relative size. 
E)  by using their cell membranes to pinch the food into smaller pieces. 
A)  by ingesting them with pseudopods. 
B)  with exoenzymes. 
C)  by breaking them up with cilia. 
D)  by crushing with their larger relative size. 
E)  by using their cell membranes to pinch the food into smaller pieces.

Question 8

Which primary producer listed below is considered the most abundant life form in the sea?

Accepted Answer

A)  Dunaliella 
B)  Synechoccus 
C)  Methanococcus 
D)  Pryolobus 
E)  Prochlorococcus 
A)  Dunaliella 
B)  Synechoccus 
C)  Methanococcus 
D)  Pryolobus 
E)  Prochlorococcus

Question 9

Describe the symbiotic relationship between zooxanthellae and their hosts. How do both benefit from the relationship?

Accepted Answer

Zooxanthellae supply their hosts with fo

Question 10

Match the bacteria-caused process with the most closely associated characteristic.
-Sedimentation

Accepted Answer

A) alteration of the electrical charge 
B) settling out of large particles 
C) alteration of the pH 
A) alteration of the electrical charge 
B) settling out of large particles 
C) alteration of the pH

Question 11

Diatoms, coccolithophores and silicoflagellates all belong to the domain:

Accepted Answer

A)  Eukarya. 
B)  Eubacteria. 
C)  Archaea. 
D)  Anthophyta. 
E)  Protista. 
A)  Eukarya. 
B)  Eubacteria. 
C)  Archaea. 
D)  Anthophyta. 
E)  Protista.

Question 12

Match the characteristic with its most closely associated organisms.
-Diatoms

Accepted Answer

A) disc-shaped calcareous scales 
B) membranous sacs 
C) silicon frustules 
A) disc-shaped calcareous scales 
B) membranous sacs 
C) silicon frustules

Question 13

Match the words with the most closely associated group.
-Choanoflagellates

Accepted Answer

A) collar of microvilli traps bacteria prey 
B) siliceous perforated shell 
C) reticulopods 
A) collar of microvilli traps bacteria prey 
B) siliceous perforated shell 
C) reticulopods

Question 14

The most abundant microbes in the marine environment are:

Accepted Answer

A)  bacteria. 
B)  diatoms. 
C)  foraminiferans. 
D)  viruses. 
E)  dinoflagellates. 
A)  bacteria. 
B)  diatoms. 
C)  foraminiferans. 
D)  viruses. 
E)  dinoflagellates.

Question 15

Viruses are not considered "living" by some biologists because they

Accepted Answer

A)  have no metabolism. 
B)  do not reproduce. 
C)  cannot move. 
D)  contain protein. 
A)  have no metabolism. 
B)  do not reproduce. 
C)  cannot move. 
D)  contain protein.

Question 16

The process of producing food from inorganic compounds using high energy compounds as a source of energy is called:

Accepted Answer

A)  photosynthesis. 
B)  chemosynthesis. 
C)  heterotrophy. 
D)  grazing. 
E)  solar irradiation. 
A)  photosynthesis. 
B)  chemosynthesis. 
C)  heterotrophy. 
D)  grazing. 
E)  solar irradiation.

Question 17

The abundance and diversity of marine viruses are considered

Accepted Answer

A)  low abundance with high diversity. 
B)  high abundance and low diversity. 
C)  low abundance and low diversity. 
D)  high abundance and high diversity. 
A)  low abundance with high diversity. 
B)  high abundance and low diversity. 
C)  low abundance and low diversity. 
D)  high abundance and high diversity.

Question 18

The deposits of the following phytoplankton are used commercially in polishes and filtering devices:

Accepted Answer

A)  dinoflagellates. 
B)  foraminiferans. 
C)  coccolithophores. 
D)  diatoms. 
E)  radiolarians. 
A)  dinoflagellates. 
B)  foraminiferans. 
C)  coccolithophores. 
D)  diatoms. 
E)  radiolarians.

Question 19

What is meant by the term "paralytic shellfish poisoning"? What are the symptoms, and what organisms are responsible for this disease?

Accepted Answer

Paralytic shellfish poisoning is a disea

Question 20

The ecological role of fungi is that of:

Accepted Answer

A)  decomposers. 
B)  producers. 
C)  grazers. 
D)  predators. 
E)  herbivores. 
A)  decomposers. 
B)  producers. 
C)  grazers. 
D)  predators. 
E)  herbivores.

The process of producing high-energy foods from inorganic compounds using sunlight energy is called:

You are asked to determine whether sulfur bacteria are active in a particular area of an estuary. What observations or tests can you perform to confirm this activity?

Match the characteristic with its most closely associated organisms. -Coccoliths

Match the description with the most closely associated word. -Tinitinnids

A virus's nucleocapsid is sometimes covered with a(n):

Match the bacteria-caused process with the most closely associated characteristic. -Lithification

Heterotrophic bacteria are able to break down large food items

Which primary producer listed below is considered the most abundant life form in the sea?

Describe the symbiotic relationship between zooxanthellae and their hosts. How do both benefit from the relationship?

Match the bacteria-caused process with the most closely associated characteristic. -Sedimentation

Diatoms, coccolithophores and silicoflagellates all belong to the domain:

Match the characteristic with its most closely associated organisms. -Diatoms

Match the words with the most closely associated group. -Choanoflagellates

The most abundant microbes in the marine environment are:

Viruses are not considered "living" by some biologists because they

The process of producing food from inorganic compounds using high energy compounds as a source of energy is called:

The abundance and diversity of marine viruses are considered

The deposits of the following phytoplankton are used commercially in polishes and filtering devices:

What is meant by the term "paralytic shellfish poisoning"? What are the symptoms, and what organisms are responsible for this disease?

The ecological role of fungi is that of:

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters

Exam 6: Marine Microbes

The process of producing high-energy foods from inorganic compounds using sunlight energy is called:

You are asked to determine whether sulfur bacteria are active in a particular area of an estuary. What observations or tests can you perform to confirm this activity?

Match the characteristic with its most closely associated organisms. -Coccoliths

Match the description with the most closely associated word. -Tinitinnids

A virus's nucleocapsid is sometimes covered with a(n):

Match the bacteria-caused process with the most closely associated characteristic. -Lithification

Heterotrophic bacteria are able to break down large food items

Which primary producer listed below is considered the most abundant life form in the sea?

Describe the symbiotic relationship between zooxanthellae and their hosts. How do both benefit from the relationship?

Match the bacteria-caused process with the most closely associated characteristic. -Sedimentation

Diatoms, coccolithophores and silicoflagellates all belong to the domain:

Match the characteristic with its most closely associated organisms. -Diatoms

Match the words with the most closely associated group. -Choanoflagellates

The most abundant microbes in the marine environment are:

Viruses are not considered "living" by some biologists because they

The process of producing food from inorganic compounds using high energy compounds as a source of energy is called:

The abundance and diversity of marine viruses are considered

The deposits of the following phytoplankton are used commercially in polishes and filtering devices:

What is meant by the term "paralytic shellfish poisoning"? What are the symptoms, and what organisms are responsible for this disease?

The ecological role of fungi is that of:

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters