Aquatic Ecosystems Test Practice

According to the graph, as the distance from the mouth of river INCREASES, what happens to the SALINITY ?

• it increases also

• it decreases

• there is no change

_____ : wetland dominated by non-woody plants (grasses)

• swamp
• marsh
• estuary

• oligotrophic lake

• eutrophic lake

Tags

NGSS.MS-LS2-3

_____ : wetland dominated by woody plants (flooded forest)

• swamp
• marsh
• estuary

• oligotrophic lake

• eutrophic lake

Tags

NGSS.MS-ESS2-4

____ : the amount of dissolved salt in the water

• climate

• temperature

• water purity
• salinity

_____ : where saltwater and freshwater mix

• swamp

• marsh

• estuary

• oligotrophic lake

• eutrophic lake

Which of the following best describes an estuary?

• Where the tide rater makes a river

• a coastal water that is more salty than the ocean

• the deep ocean floor

• where fresh and saltwater mix in a coastal area

Tags

NGSS.MS-ESS2-4

What type of water is found in estuaries?

• brackish water

• black water

• clear water

• nutrient-dense water

Tags

NGSS.MS-ESS2-4

Estuaries are not generally areas where a lot of wildlife can be found.

• True

• False

Tags

NGSS.MS-LS2-5

What is an estuary?

• A freshwater lake

• A body of water where freshwater from rivers meets and mixes with saltwater from the ocean

• A type of wetland

• A deep-sea trench

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Which is NOT a freshwater ecosystem?

• a river
• a pond 

• an estuary
• a stream