Lesson 3.06 Coastal Waters

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1. What coastal water ecosystem is located along coasts, has a mixture of seawater and freshwater, and whose main types of plants are grasses?
   1. Tidal Marshes
   2. Brackish Water
   3. Tidal Pool
   4. Non-tidal Marsh

   Answer: a. Tidal Marshes

2. Which aquatic ecosystem is created by rivers that enter the ocean and mix with salt water?
   1. Estuary
   2. Intertidal Zone
   3. Wetlands
   4. Brackish Water

   Answer: a. Estuary

3. What is the mixture of freshwater and seawater called?
   1. Brackish Water
   2. Tidal Pool
   3. Intertidal Zone
   4. Estuary

   Answer: a. Brackish Water

4. What coastal water ecosystem is the breading/nesting area for migratory birds, such as ducks?
   1. Wetlands
   2. Tidal Marshes
   3. Non-tidal Marsh
   4. Brackish Water

   Answer: a. Wetlands

5. The area of the beach that is located between the water levels at high tide and at low tide is called a(n)____.
   1. Intertidal Zone
   2. Tidal Pool
   3. Non-tidal Marsh
   4. Brackish Water

   Answer: a. Intertidal Zone

6. What is the major coastal water biome used by many commercial fish for breeding/spawning?
   1. Estuary
   2. Tidal Pool
   3. Wetlands
   4. Tidal Marshes

   Answer: a. Estuary

7. What coastal water ecosystems are located in intertidal zones and can be small or large areas of water that collect in the low areas of sand or in areas surrounded by rocks?
   1. Tidal Pool
   2. Non-tidal Marsh
   3. Intertidal Zone
   4. Brackish Water

   Answer: a. Tidal Pool

8. What coastal water biome is the main source of ridding sediment from runoff that is suspended in the rivers water before entering the ocean?
   1. Estuary
   2. Wetlands
   3. Non-tidal Marsh
   4. Tidal Pool

   Answer: a. Estuary

9. What coastal water ecosystem is responsible for helping control flooding by soaking up the extra water?
   1. Wetlands
   2. Estuary
   3. Non-tidal Marsh
   4. Intertidal Zone

   Answer: a. Wetlands

10. Which of the following ecosystem’s salinity is not influenced by the tides?
    1. Non-tidal Marsh
    2. Tidal Pool
    3. Intertidal Zone
    4. Tidal Marshes

    Answer: a. Non-tidal Marsh