Question 1

Match the area with the type of estuary.
-Salt-wedge estuary

Accepted Answer

A) Puget Sound 
B) Delaware Bay 
C) Sacramento River mouth in San Francisco Bay 
A) Puget Sound 
B) Delaware Bay 
C) Sacramento River mouth in San Francisco Bay

Question 2

Salt marsh plants play an important role in expanding the terrestrial environment.

Accepted Answer

A) True 
 B)False

Question 3

A common direct consumer of eelgrass (Zostera) is:

Accepted Answer

A)  snails. 
B)  waterfowl. 
C)  sea cucumbers. 
D)  manatees. 
E)  sea stars. 
A)  snails. 
B)  waterfowl. 
C)  sea cucumbers. 
D)  manatees. 
E)  sea stars.

Question 4

How does temperature-driven vertical turnover occur, and what is its importance?

Accepted Answer

Vertical turnover occurs in estuaries in

Question 5

Caribbean seagrasses are extensively fed on by all except

Accepted Answer

A)  manatees. 
B)  green sea turtles. 
C)  some sea urchins. 
D)  sea cucumbers. 
A)  manatees. 
B)  green sea turtles. 
C)  some sea urchins. 
D)  sea cucumbers.

Question 6

Match the species with its most closely associated salinity concentration type.
-Osmoregulator

Accepted Answer

A) Nereis polychaetes 
B) tunicates 
C) hermit crab 
A) Nereis polychaetes 
B) tunicates 
C) hermit crab

Question 7

In estuaries at high latitudes, which of the following factors strongly influences mixing?

Accepted Answer

A)  Oxygen concentrations 
B)  Nutrient concentrations 
C)  Carbon dioxide concentrations 
D)  Temperature 
E)  Turbidity 
A)  Oxygen concentrations 
B)  Nutrient concentrations 
C)  Carbon dioxide concentrations 
D)  Temperature 
E)  Turbidity

Question 8

An animal that maintains a constant salt concentration in their body is called:

Accepted Answer

A)  an osmoconformer. 
B)  an osmoregulator. 
C)  hyperosmotic. 
D)  hypo-osomotic. 
A)  an osmoconformer. 
B)  an osmoregulator. 
C)  hyperosmotic. 
D)  hypo-osomotic.

Question 9

Pseudofeces are:

Accepted Answer

A)  semisolid deposits containing un-digested material. 
B)  semisolid deposits of digested material. 
C)  solid deposits containing un-digested material. 
D)  solid deposits containing digested material. 
A)  semisolid deposits containing un-digested material. 
B)  semisolid deposits of digested material. 
C)  solid deposits containing un-digested material. 
D)  solid deposits containing digested material.

Question 10

Match the species with its most closely associated salinity concentration type.
-Osmoconformer

Accepted Answer

A) Nereis polychaetes 
B) tunicates 
C) hermit crab 
A) Nereis polychaetes 
B) tunicates 
C) hermit crab

Question 11

Marsh plants are important in all of the following except:

Accepted Answer

A)  trapping sediments. 
B)  serving as a refuge for animals. 
C)  being directly consumed food. 
D)  stabilizing sediments. 
A)  trapping sediments. 
B)  serving as a refuge for animals. 
C)  being directly consumed food. 
D)  stabilizing sediments.

Question 12

Match the words with those they are most closely associated with.
-Drowned river valley

Accepted Answer

A) Scandinavia estuaries 
B) Long Island Sound 
C) Cape Hatteras region 
A) Scandinavia estuaries 
B) Long Island Sound 
C) Cape Hatteras region

Question 13

Estuaries are immune from larger temperature variations.

Accepted Answer

A) True 
 B)False

Question 14

Match the area with the type of estuary.
-Partially-mixed estuary

Accepted Answer

A) Puget Sound 
B) Delaware Bay 
C) Sacramento River mouth in San Francisco Bay 
A) Puget Sound 
B) Delaware Bay 
C) Sacramento River mouth in San Francisco Bay

Question 15

When retreating glaciers carved deep coastal valleys they created:

Accepted Answer

A)  fjords. 
B)  salt-wedge estuaries. 
C)  well-mixed estuaries. 
D)  tectonic estuaries. 
E)  drowned river valleys. 
A)  fjords. 
B)  salt-wedge estuaries. 
C)  well-mixed estuaries. 
D)  tectonic estuaries. 
E)  drowned river valleys.

Question 16

All of the following are adaptations against excessive water and salt exchange between animals and their surrounding environment except:

Accepted Answer

A)  having very permeable tissues. 
B)  covering body with mucus. 
C)  living inside a tube that can be isolated from the external environment. 
D)  covering the body with a hard exoskeleton. 
E)  actively absorbing salt ions with gills. 
A)  having very permeable tissues. 
B)  covering body with mucus. 
C)  living inside a tube that can be isolated from the external environment. 
D)  covering the body with a hard exoskeleton. 
E)  actively absorbing salt ions with gills.

Question 17

Ghost shrimp live:

Accepted Answer

A)  in burrows. 
B)  under rocks on the mud flat. 
C)  on the surface of the mud. 
D)  in the water above the mud flat. 
E)  symbiotically with bivalves. 
A)  in burrows. 
B)  under rocks on the mud flat. 
C)  on the surface of the mud. 
D)  in the water above the mud flat. 
E)  symbiotically with bivalves.

Question 18

MATCHING
Match the mangrove ecosystem species with its most closely associated trophic level.
-Primary producer

Accepted Answer

A) heterotrophic bacteria 
B) mangrove 
C) amphipod 
A) heterotrophic bacteria 
B) mangrove 
C) amphipod

Question 19

The number of resident species in estuaries tend to be ___________ relative to nearby aquatic ecosystems.

Accepted Answer

A)  an order of magnitude higher 
B)  greater 
C)  about the same 
D)  fewer 
A)  an order of magnitude higher 
B)  greater 
C)  about the same 
D)  fewer

Question 20

San Francisco Bay was created by:

Accepted Answer

A)  rising sea levels. 
B)  retreating fjords. 
C)  erosion of the coastline. 
D)  tectonic activity. 
E)  glaciers. 
A)  rising sea levels. 
B)  retreating fjords. 
C)  erosion of the coastline. 
D)  tectonic activity. 
E)  glaciers.

Match the area with the type of estuary. -Salt-wedge estuary

Salt marsh plants play an important role in expanding the terrestrial environment.

A common direct consumer of eelgrass (Zostera) is:

How does temperature-driven vertical turnover occur, and what is its importance?

Caribbean seagrasses are extensively fed on by all except

Match the species with its most closely associated salinity concentration type. -Osmoregulator

In estuaries at high latitudes, which of the following factors strongly influences mixing?

An animal that maintains a constant salt concentration in their body is called:

Pseudofeces are:

Match the species with its most closely associated salinity concentration type. -Osmoconformer

Marsh plants are important in all of the following except:

Match the words with those they are most closely associated with. -Drowned river valley

Estuaries are immune from larger temperature variations.

Match the area with the type of estuary. -Partially-mixed estuary

When retreating glaciers carved deep coastal valleys they created:

All of the following are adaptations against excessive water and salt exchange between animals and their surrounding environment except:

Ghost shrimp live:

MATCHING Match the mangrove ecosystem species with its most closely associated trophic level. -Primary producer

The number of resident species in estuaries tend to be ___________ relative to nearby aquatic ecosystems.

San Francisco Bay was created by:

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

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 14: Estuaries

Match the area with the type of estuary. -Salt-wedge estuary

Salt marsh plants play an important role in expanding the terrestrial environment.

A common direct consumer of eelgrass (Zostera) is:

How does temperature-driven vertical turnover occur, and what is its importance?

Caribbean seagrasses are extensively fed on by all except

Match the species with its most closely associated salinity concentration type. -Osmoregulator

In estuaries at high latitudes, which of the following factors strongly influences mixing?

An animal that maintains a constant salt concentration in their body is called:

Pseudofeces are:

Match the species with its most closely associated salinity concentration type. -Osmoconformer

Marsh plants are important in all of the following except:

Match the words with those they are most closely associated with. -Drowned river valley

Estuaries are immune from larger temperature variations.

Match the area with the type of estuary. -Partially-mixed estuary

When retreating glaciers carved deep coastal valleys they created:

All of the following are adaptations against excessive water and salt exchange between animals and their surrounding environment except:

Ghost shrimp live:

MATCHING Match the mangrove ecosystem species with its most closely associated trophic level. -Primary producer

The number of resident species in estuaries tend to be ___________ relative to nearby aquatic ecosystems.

San Francisco Bay was created by:

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

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters