Question 1

Which of the following associations is incorrect?

Accepted Answer

A)  Kingdom Animalia - dolphins
B)  Kingdom Fungi - mushrooms
C)  Kingdom Monera - bacteria in hydrothermal vents
D)  Kingdom Plantae - macroalgae
E)  Kingdom Protista - phytoplankton

Question 2

The majority of marine species are pelagic.

Accepted Answer

A) True 
 B)False

Question 3

A small size is advantageous for marine organisms because it:

Accepted Answer

A)  increases the ability to absorb nutrients.
B)  increases the ability of wastes to diffuse out of the organism.
C)  increases the surface area to volume ratio that in turn decreases density.
D)  All of the above statements are advantageous to marine organisms.
E)  None of the above statements are advantageous to marine organisms.

Question 4

Plankton which are 2.0 to 0.2 μm in size are called:

Accepted Answer

A)  nanoplankton.
B)  net plankton.
C)  picoplankton.
D)  phytoplankton.
E)  zooplankton.

Question 5

When an organism has the same salt and water concentration as its environment,it is said to be:

Accepted Answer

A)  euryhaline.
B)  hypertonic.
C)  hypotonic.
D)  isotonic.
E)  stenohaline.

Question 6

Multicellular organisms that are comprised of eukaryotic,heterotrophic cells with cell walls would most likely belong to the kingdom:

Accepted Answer

A)  Animalia.
B)  Fungi.
C)  Monera.
D)  Plantae.
E)  Protista.

Question 7

Organisms with small,expandable bodies,extremely large mouths,and efficient teeth are likely to be found in the:

Accepted Answer

A)  bathypelagic zone.
B)  epipelagic zone.
C)  mesopelagic zone.
D)  neritic province.
E)  photic zone.

Question 8

Osmosis occurs when salt ions diffuse through a membrane with a lower ion concentration.

Accepted Answer

A) True 
 B)False

Question 9

Neritic marine environments would be found:

Accepted Answer

A)  associated with continental shelves.
B)  at mid-ocean ridges.
C)  deep in the ocean basin.
D)  in subduction zones.
E)  within a deep-sea trench.

Question 10

Refer to the Figure below to answer Questions 
 
-These planktonic organisms often have needle-like structures that:

Accepted Answer

A)  are used as a defense mechanism.
B)  are used as paddles to catch ocean currents.
C)  increase density.
D)  prevent sinking.
E)  serve as a "skeleton" to support the diatom.

Question 11

The sublittoral (subtidal) zone is the area:

Accepted Answer

A)  above the highest tide.
B)  below the intertidal zone on the continental shelf.
C)  between the highest high tide and the lowest low tide.
D)  beyond the continental shelf.
E)  Where demersal and pelagic organisms are found.

Question 12

A euryhaline organism would be poorly adapted to living in coastal environments.

Accepted Answer

A) True 
 B)False

Question 13

The color pattern in which marine organisms are light on the bottom and dark on the top of their bodies camouflaging them against the water-air interface is:

Accepted Answer

A)  countershading.
B)  cryptic coloration.
C)  defensive coloration.
D)  disruptive coloration.
E)  warning coloration.

Question 14

Phytoplankton are small in size as a result of predation pressure.

Accepted Answer

A) True 
 B)False

Question 15

When compared to their warmer water counterparts,cold water plankton often:

Accepted Answer

A)  are larger in size.
B)  are smaller in size.
C)  exhibit countershading.
D)  have more spines and ornamentation on the cell wall.
E)  reproduce asexually only.

Question 16

The majority of marine invertebrates are:

Accepted Answer

A)  adapted to life in the pelagic zone.
B)  estuarine.
C)  found only in benthic environments.
D)  hypertonic with respect to their environment.
E)  isotonic with respect to their environment.

Question 17

High latitude ocean water tends to support large planktonic communities because:

Accepted Answer

A)  fewer predators that feed on plankton.
B)  longer summer day length.
C)  of higher dissolved gas concentrations.
D)  there is abundant light.
E)  there are abundant nutrients.

Question 18

Epifauna live deep within benthic sediments.

Accepted Answer

A) True 
 B)False

Question 19

Refer to the Figure below to answer Questions 
 
-The portion of the ocean in which these organisms are most likely to be found is the:

Accepted Answer

A)  benthic zone.
B)  estuary.
C)  intertidal zone.
D)  pelagic zone.
E)  sediment layer.

Question 20

Euryhaline organisms:

Accepted Answer

A)  are less common than stenohaline organisms.
B)  can survive wide salinity fluctuations.
C)  require less oxygen for survival.
D)  tolerate a narrow range of salinities.
E)  tolerate small temperature changes.

Exam 12: Marine Life and the Marine Environment

Phytoplankton are small in size as a result of predation pressure.

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When an organism has the same salt and water concentration as its environment,it is said to be:

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A euryhaline organism would be poorly adapted to living in coastal environments.

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The majority of marine invertebrates are:

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Neritic marine environments would be found:

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Organisms with small,expandable bodies,extremely large mouths,and efficient teeth are likely to be found in the:

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Osmosis occurs when salt ions diffuse through a membrane with a lower ion concentration.

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Refer to the Figure below to answer Questions -The portion of the ocean in which these organisms are most likely to be found is the:

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Multicellular organisms that are comprised of eukaryotic,heterotrophic cells with cell walls would most likely belong to the kingdom:

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Which of the following associations is incorrect?

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The majority of marine species are pelagic.

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The color pattern in which marine organisms are light on the bottom and dark on the top of their bodies camouflaging them against the water-air interface is:

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When compared to their warmer water counterparts,cold water plankton often:

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High latitude ocean water tends to support large planktonic communities because:

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A small size is advantageous for marine organisms because it:

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Epifauna live deep within benthic sediments.

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Plankton which are 2.0 to 0.2 μm in size are called:

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Refer to the Figure below to answer Questions -These planktonic organisms often have needle-like structures that:

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The sublittoral (subtidal) zone is the area:

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Euryhaline organisms:

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