Question 1

The macroplants of the midlittoral temperate Pacific and Atlantic are characterized by:

Accepted Answer

A)  red algae. 
B)  green algae. 
C)  brown algae. 
D)  seagrasses. 
E)  mangals. 
A)  red algae. 
B)  green algae. 
C)  brown algae. 
D)  seagrasses. 
E)  mangals.

Question 2

Match the wave action with the sandy beach exposure level.
-Exposed

Accepted Answer

A) moderate 
B) none 
C) low 
D) high 
A) moderate 
B) none 
C) low 
D) high

Question 3

Match the plant with the zone it is most closely associated with.
-Supralittoral fringe

Accepted Answer

A) Laminaria 
B) Lichens 
C) Rockweeds 
A) Laminaria 
B) Lichens 
C) Rockweeds

Question 4

The area with the highest species diversity among the following is:

Accepted Answer

A)  rocky subtidal. 
B)  sandy subtidal. 
C)  sandy intertidal. 
D)  rocky supratidal. 
E)  splash zone. 
A)  rocky subtidal. 
B)  sandy subtidal. 
C)  sandy intertidal. 
D)  rocky supratidal. 
E)  splash zone.

Question 5

Match the organism with the most closely associated tidal zone.
-Supralittoral fringe

Accepted Answer

A) acorn barnacles 
B) mussels 
C) periwinkles 
A) acorn barnacles 
B) mussels 
C) periwinkles

Question 6

What are at least 3 adaptations that rocky intertidal organisms have for withstanding wave shock?

Accepted Answer

Depending on the species, some organisms

Question 7

Even though rocky shores are subject to some of the same abiotic factors as sandy beaches, such as changes in temperature and salinity, the species diversity is much higher in the former than the latter. What other variables do you think contribute to this high species diversity in the rocky intertidal?

Accepted Answer

The most notable difference between the

Question 8

Barnacles are more adept than mussels at withstanding the effect of desiccation.

Accepted Answer

A) True 
 B)False

Question 9

Most of the animals living in the rocky intertidal are:

Accepted Answer

A)  infaunal. 
B)  epifaunal. 
C)  epiphytic. 
D)  meiofaunal. 
E)  pelagic. 
A)  infaunal. 
B)  epifaunal. 
C)  epiphytic. 
D)  meiofaunal. 
E)  pelagic.

Question 10

Space is not a limiting factor on a rocky intertidal beach.

Accepted Answer

A) True 
 B)False

Question 11

Match the plant with the zone it is most closely associated with.
-Midlittoral

Accepted Answer

A) Laminaria 
B) Lichens 
C) Rockweeds 
A) Laminaria 
B) Lichens 
C) Rockweeds

Question 12

Sea urchins living in the rocky intertidal zone use the following method to overcome wave shock:

Accepted Answer

A)  creating burrows in which they live. 
B)  having a low profile. 
C)  using spines to dissipate the energy of the wave. 
D)  all of the above 
A)  creating burrows in which they live. 
B)  having a low profile. 
C)  using spines to dissipate the energy of the wave. 
D)  all of the above

Question 13

Which of the following is false about rocky shores?

Accepted Answer

A)  Mangroves are common. 
B)  Silt is removed by waves. 
C)  They retain finer sediments. 
D)  Surf functions to oxygenate the water. 
E)  Sessile organisms are common. 
A)  Mangroves are common. 
B)  Silt is removed by waves. 
C)  They retain finer sediments. 
D)  Surf functions to oxygenate the water. 
E)  Sessile organisms are common.

Question 14

On very wavy rocky shores, mussels will occupy the ____ zone without being affected too much by predation.

Accepted Answer

A)  lower intertidal 
B)  upper intertidal 
C)  middle intertidal 
D)  supratidal 
E)  splash 
A)  lower intertidal 
B)  upper intertidal 
C)  middle intertidal 
D)  supratidal 
E)  splash

Question 15

Match the sandy beach characteristic with the term.
-Reflective beach

Accepted Answer

A) surf zone 
B) lacks a surf zone 
C) the water flowing back down the beach 
D) the water running up the beach 
A) surf zone 
B) lacks a surf zone 
C) the water flowing back down the beach 
D) the water running up the beach

Question 16

Grain size in the intertidal is primarily determined by:

Accepted Answer

A)  wave activity. 
B)  types of animals in the area. 
C)  amount of sunlight. 
D)  feeding types in the sediment. 
E)  burrowing activity of infauna. 
A)  wave activity. 
B)  types of animals in the area. 
C)  amount of sunlight. 
D)  feeding types in the sediment. 
E)  burrowing activity of infauna.

Question 17

Coquinas are carried up the beach for filter feeding by the waves.

Accepted Answer

A) True 
 B)False

Question 18

Match the moisture source with the vertical sandy beach zone during low tide.
-Resurgence

Accepted Answer

A) low tide water retained 
B) continuous water 
C) due to capillary action of water 
A) low tide water retained 
B) continuous water 
C) due to capillary action of water

Question 19

Match the species with the zone it is most closely associated with.
-White zone

Accepted Answer

A) Fuzzy chiton 
B) Knobby periwinkle 
C) Nerites 
A) Fuzzy chiton 
B) Knobby periwinkle 
C) Nerites

Question 20

Match the wave action with the sandy beach exposure level.
-Very Protected

Accepted Answer

A) moderate 
B) none 
C) low 
D) high 
A) moderate 
B) none 
C) low 
D) high

The macroplants of the midlittoral temperate Pacific and Atlantic are characterized by:

Match the wave action with the sandy beach exposure level. -Exposed

Match the plant with the zone it is most closely associated with. -Supralittoral fringe

The area with the highest species diversity among the following is:

Match the organism with the most closely associated tidal zone. -Supralittoral fringe

What are at least 3 adaptations that rocky intertidal organisms have for withstanding wave shock?

Barnacles are more adept than mussels at withstanding the effect of desiccation.

Most of the animals living in the rocky intertidal are:

Space is not a limiting factor on a rocky intertidal beach.

Match the plant with the zone it is most closely associated with. -Midlittoral

Sea urchins living in the rocky intertidal zone use the following method to overcome wave shock:

Which of the following is false about rocky shores?

On very wavy rocky shores, mussels will occupy the ____ zone without being affected too much by predation.

Match the sandy beach characteristic with the term. -Reflective beach

Grain size in the intertidal is primarily determined by:

Coquinas are carried up the beach for filter feeding by the waves.

Match the moisture source with the vertical sandy beach zone during low tide. -Resurgence

Match the species with the zone it is most closely associated with. -White zone

Match the wave action with the sandy beach exposure level. -Very Protected

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

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 13: Intertidal Communities

The macroplants of the midlittoral temperate Pacific and Atlantic are characterized by:

Match the wave action with the sandy beach exposure level. -Exposed

Match the plant with the zone it is most closely associated with. -Supralittoral fringe

The area with the highest species diversity among the following is:

Match the organism with the most closely associated tidal zone. -Supralittoral fringe

What are at least 3 adaptations that rocky intertidal organisms have for withstanding wave shock?

Barnacles are more adept than mussels at withstanding the effect of desiccation.

Most of the animals living in the rocky intertidal are:

Space is not a limiting factor on a rocky intertidal beach.

Match the plant with the zone it is most closely associated with. -Midlittoral

Sea urchins living in the rocky intertidal zone use the following method to overcome wave shock:

Which of the following is false about rocky shores?

On very wavy rocky shores, mussels will occupy the ____ zone without being affected too much by predation.

Match the sandy beach characteristic with the term. -Reflective beach

Grain size in the intertidal is primarily determined by:

Coquinas are carried up the beach for filter feeding by the waves.

Match the moisture source with the vertical sandy beach zone during low tide. -Resurgence

Match the species with the zone it is most closely associated with. -White zone

Match the wave action with the sandy beach exposure level. -Very Protected

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

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