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5.0
Aquatic Science Lesson 7 - 9 + Quiz 3 of Unit 8
Questions with Detailed Verified Answers (100%
Correct Answers) /Already Graded A+
Lesson 7
Ans: Estuaries
v - invasive species
Ans: plants or other organisms that are introduced to a nonnative
environment
v - stratify
Ans: to arrange or form into layers
What is an estuary? (2)
Ans: - where freshwater mixes with saltwater
- where rivers meet the oceans
What does stratified mean?
Ans: arranged or formed into layers
What ecosystems might be part of an estuarine ecosystem? (4)
Ans: - salt marshes
- mud flats
,- coastal wetlands
- swamps
Estuaries are classified according to ____.
Ans: how water circulates within them
The Chesapeake Bay is one example of ____.
Ans: a slightly stratified estuary
The Hudson River is one example of ____.
Ans: a salt-wedge estuary
The Delaware Bay is one example of ____.
Ans: a vertically mixed estuary
What is a fjord?
Ans: It is a long, narrow inlet surrounded by cliffs. A type of estuary that has
restricted flow due to channels carved by glaciers; freshwater and
saltwater only mix in one direction.
What is a salt-wedge estuary?
Ans: It has a distinct layer of freshwater above a wedge-shaped layer of
saltwater. This is because saltwater is denser than freshwater and sinks
Examstudy - Stuvia US
, to the bottom of the estuary. It contains a river that flows into the ocean
at a high speed, causing the ocean to experience weak currents.
What is a freshwater estuary?
Ans: Estuaries occur where rivers flow into large, freshwater lakes.
What is a slightly stratified estuary?
Ans: Estuaries circulate the freshwater and saltwater at all depths of the
water column. However, due to the density of saltwater, the water in
the bottom layers of the estuary tends to have a higher salinity than the
layers at the top.
What is a vertically mixed estuary?
Ans: Estuaries have an equal mixing of saltwater and freshwater at all depths
of the water column. Estuaries are formed when the river flow is weak
and the tidal currents are relatively strong.
Why are estuaries important? (3)
Ans: - Sediment is washed into estuaries from rivers and these sediments
contain these nutrients, estuaries become an important location for the
cycling of nutrients to occur.
- A wide variety of human activity is also dependent on estuaries, as many
people live, play, and work near or in them.
Examstudy - Stuvia US
In today's fast-paced educational landscape, students need reliable resources to excel in their studies.
5.0
Aquatic Science Lesson 7 - 9 + Quiz 3 of Unit 8
Questions with Detailed Verified Answers (100%
Correct Answers) /Already Graded A+
Lesson 7
Ans: Estuaries
v - invasive species
Ans: plants or other organisms that are introduced to a nonnative
environment
v - stratify
Ans: to arrange or form into layers
What is an estuary? (2)
Ans: - where freshwater mixes with saltwater
- where rivers meet the oceans
What does stratified mean?
Ans: arranged or formed into layers
What ecosystems might be part of an estuarine ecosystem? (4)
Ans: - salt marshes
- mud flats
,- coastal wetlands
- swamps
Estuaries are classified according to ____.
Ans: how water circulates within them
The Chesapeake Bay is one example of ____.
Ans: a slightly stratified estuary
The Hudson River is one example of ____.
Ans: a salt-wedge estuary
The Delaware Bay is one example of ____.
Ans: a vertically mixed estuary
What is a fjord?
Ans: It is a long, narrow inlet surrounded by cliffs. A type of estuary that has
restricted flow due to channels carved by glaciers; freshwater and
saltwater only mix in one direction.
What is a salt-wedge estuary?
Ans: It has a distinct layer of freshwater above a wedge-shaped layer of
saltwater. This is because saltwater is denser than freshwater and sinks
Examstudy - Stuvia US
, to the bottom of the estuary. It contains a river that flows into the ocean
at a high speed, causing the ocean to experience weak currents.
What is a freshwater estuary?
Ans: Estuaries occur where rivers flow into large, freshwater lakes.
What is a slightly stratified estuary?
Ans: Estuaries circulate the freshwater and saltwater at all depths of the
water column. However, due to the density of saltwater, the water in
the bottom layers of the estuary tends to have a higher salinity than the
layers at the top.
What is a vertically mixed estuary?
Ans: Estuaries have an equal mixing of saltwater and freshwater at all depths
of the water column. Estuaries are formed when the river flow is weak
and the tidal currents are relatively strong.
Why are estuaries important? (3)
Ans: - Sediment is washed into estuaries from rivers and these sediments
contain these nutrients, estuaries become an important location for the
cycling of nutrients to occur.
- A wide variety of human activity is also dependent on estuaries, as many
people live, play, and work near or in them.
Examstudy - Stuvia US
