Question 1

Match the words with the most closely associated term.
-Fronds

Accepted Answer

A) slender stalk 
B) attached to rocks 
C) leaf-like blades 
A) slender stalk 
B) attached to rocks 
C) leaf-like blades

Question 2

On the west coast of North America, sea urchins were historically kept in check by:

Accepted Answer

A)  lobsters. 
B)  surf perches. 
C)  sea otters. 
D)  crabs. 
E)  SCUBA divers. 
A)  lobsters. 
B)  surf perches. 
C)  sea otters. 
D)  crabs. 
E)  SCUBA divers.

Question 3

The high productivity and short food chains of ____ areas support the greatest biomass of any planktonic system.

Accepted Answer

A)  stable water column 
B)  turbid 
C)  upwelling 
D)  downwelling 
E)  coral reef. 
A)  stable water column 
B)  turbid 
C)  upwelling 
D)  downwelling 
E)  coral reef.

Question 4

Kelp beds are considered important because they support large

Accepted Answer

A)  fish. 
B)  sea urchins. 
C)  diverse communities. 
D)  sea otters. 
E)  sharks. 
A)  fish. 
B)  sea urchins. 
C)  diverse communities. 
D)  sea otters. 
E)  sharks.

Question 5

Microphytoplankton is:

Accepted Answer

A)  2.0 to 20 microns. 
B)  20 - 200 microns. 
C)  0.2 - 20 mm. 
D)  20 - 200 cm. 
E)  20 - 200 mm. 
A)  2.0 to 20 microns. 
B)  20 - 200 microns. 
C)  0.2 - 20 mm. 
D)  20 - 200 cm. 
E)  20 - 200 mm.

Question 6

Match the substrate type with the most closely associated organisms.
-Epibenthic

Accepted Answer

A) sandy bottom 
B) muddy bottom 
C) hard bottom 
A) sandy bottom 
B) muddy bottom 
C) hard bottom

Question 7

Describe 3 adaptations of benthic fishes for living on the continental shelf.

Accepted Answer

Fishes that live on or near the bottom (

Question 8

All the following utilize detritus for food except

Accepted Answer

A)  filter-feeders. 
B)  grazers. 
C)  suspension-feeders. 
D)  detritus-feeders. 
A)  filter-feeders. 
B)  grazers. 
C)  suspension-feeders. 
D)  detritus-feeders.

Question 9

Larger baleen whales feed on:

Accepted Answer

A)  demersal fish. 
B)  krill. 
C)  suspension feeders. 
D)  sea stars. 
E)  other marine mammals. 
A)  demersal fish. 
B)  krill. 
C)  suspension feeders. 
D)  sea stars. 
E)  other marine mammals.

Question 10

Gribbles play an important role in kelp communities

Accepted Answer

A)  by weakening holdfasts enabling kelps to be replaced. 
B)  by strengthening holdfasts enabling kelps to remain attached. 
C)  by randomly disturbing the environment. 
D)  by providing substrate for kelp undercover species. 
E)  by acting as keystone predators. 
A)  by weakening holdfasts enabling kelps to be replaced. 
B)  by strengthening holdfasts enabling kelps to remain attached. 
C)  by randomly disturbing the environment. 
D)  by providing substrate for kelp undercover species. 
E)  by acting as keystone predators.

Question 11

MATCHING
Match the words with the most closely associated term.
-the abalone Haliotis

Accepted Answer

A) live in spaces between sediment particles 
B) live on the surface sediments 
C) burrow in the sediments 
A) live in spaces between sediment particles 
B) live on the surface sediments 
C) burrow in the sediments

Question 12

Changes in sediment distribution can be attributed to all except:

Accepted Answer

A)  currents. 
B)  burrowing animals. 
C)  feeding activity of predators. 
D)  temperature - salinity shifts. 
A)  currents. 
B)  burrowing animals. 
C)  feeding activity of predators. 
D)  temperature - salinity shifts.

Question 13

MATCHING
Match the words with the most closely associated term.
-Interstitial

Accepted Answer

A) live in spaces between sediment particles 
B) live on the surface sediments 
C) burrow in the sediments 
A) live in spaces between sediment particles 
B) live on the surface sediments 
C) burrow in the sediments

Question 14

In the neritic zone, a 10-milliliter sample of surface water can contain ____ of multicellular planktonic organisms.

Accepted Answer

A)  hundreds 
B)  thousands 
C)  millions 
D)  billions 
E)  trillions 
A)  hundreds 
B)  thousands 
C)  millions 
D)  billions 
E)  trillions

Question 15

Nanophytoplankton is

Accepted Answer

A)  2.0 to 20 microns. 
B)  20 - 200 microns. 
C)  2 - 20 mm. 
D)  20 - 200 cm. 
E)  20 - 200 mm. 
A)  2.0 to 20 microns. 
B)  20 - 200 microns. 
C)  2 - 20 mm. 
D)  20 - 200 cm. 
E)  20 - 200 mm.

Question 16

During high productive periods copepod abundance can be as high as:

Accepted Answer

A)  100 individuals per cubic meter. 
B)  1,000 individuals per cubic meter. 
C)  10,000 individuals per cubic meter. 
D)  100,000 individuals per cubic meter. 
E)  1,000,000 individuals per cubic meter. 
A)  100 individuals per cubic meter. 
B)  1,000 individuals per cubic meter. 
C)  10,000 individuals per cubic meter. 
D)  100,000 individuals per cubic meter. 
E)  1,000,000 individuals per cubic meter.

Question 17

Diatoms tend to be grazed in temperate coastal waters by:

Accepted Answer

A)  amphipods. 
B)  dinoflagellates. 
C)  copepods. 
D)  lobsters. 
E)  radiolarians 
A)  amphipods. 
B)  dinoflagellates. 
C)  copepods. 
D)  lobsters. 
E)  radiolarians

Question 18

Fine sediment bottoms with silt support a variety of

Accepted Answer

A)  filter feeders. 
B)  suspension feeders. 
C)  epifauna. 
D)  infauna. 
E)  nekton. 
A)  filter feeders. 
B)  suspension feeders. 
C)  epifauna. 
D)  infauna. 
E)  nekton.

Question 19

In any ecosystem, short food chains are more efficient than longer ones. Why is this so?

Accepted Answer

The shorter the food chain the

Question 20

Match the words with the most closely associated organism.
-Whelks

Accepted Answer

A) feed on other molluscs 
B) damage kelp by burrowing into holdfast 
C) builds fecal mounds 
A) feed on other molluscs 
B) damage kelp by burrowing into holdfast 
C) builds fecal mounds

Match the words with the most closely associated term. -Fronds

On the west coast of North America, sea urchins were historically kept in check by:

The high productivity and short food chains of ____ areas support the greatest biomass of any planktonic system.

Kelp beds are considered important because they support large

Microphytoplankton is:

Match the substrate type with the most closely associated organisms. -Epibenthic

Describe 3 adaptations of benthic fishes for living on the continental shelf.

All the following utilize detritus for food except

Larger baleen whales feed on:

Gribbles play an important role in kelp communities

MATCHING Match the words with the most closely associated term. -the abalone Haliotis

Changes in sediment distribution can be attributed to all except:

MATCHING Match the words with the most closely associated term. -Interstitial

In the neritic zone, a 10-milliliter sample of surface water can contain ____ of multicellular planktonic organisms.

Nanophytoplankton is

During high productive periods copepod abundance can be as high as:

Diatoms tend to be grazed in temperate coastal waters by:

Fine sediment bottoms with silt support a variety of

In any ecosystem, short food chains are more efficient than longer ones. Why is this so?

Match the words with the most closely associated organism. -Whelks

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters

Exam 16: Continental Shelves and Neritic Zone

Match the words with the most closely associated term. -Fronds

On the west coast of North America, sea urchins were historically kept in check by:

The high productivity and short food chains of ____ areas support the greatest biomass of any planktonic system.

Kelp beds are considered important because they support large

Microphytoplankton is:

Match the substrate type with the most closely associated organisms. -Epibenthic

Describe 3 adaptations of benthic fishes for living on the continental shelf.

All the following utilize detritus for food except

Larger baleen whales feed on:

Gribbles play an important role in kelp communities

MATCHING Match the words with the most closely associated term. -the abalone Haliotis

Changes in sediment distribution can be attributed to all except:

MATCHING Match the words with the most closely associated term. -Interstitial

In the neritic zone, a 10-milliliter sample of surface water can contain ____ of multicellular planktonic organisms.

Nanophytoplankton is

During high productive periods copepod abundance can be as high as:

Diatoms tend to be grazed in temperate coastal waters by:

Fine sediment bottoms with silt support a variety of

In any ecosystem, short food chains are more efficient than longer ones. Why is this so?

Match the words with the most closely associated organism. -Whelks

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters