Aquatic Ecosystems Review

What do the dotted lines in the image below represent?

• hydrogen bonds

• carbon dioxide

• electrons

What is the word for the attraction between water molecules that causes them to stick together?

• polar

• adhesion

• cohesion

Which of these benefits do wetlands provide to the ecosystem?

• control flooding

• prevent wind damage

• keep wildlife away

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

What type of wetland is shown below?

• swamp

• marsh

• estuary

Which type of aquatic ecosystem contains salt water?

• river

• coral reef

• lake

Match each cause to the effect it has on the Chesapeake Bay Watershed.

• soil washes away

• 
  humans collecting too many fish

• tourists do not come to the Chesapeake B

• polluted water looks unappealing

• population of fish gets smaller

• 
  

  farmers spread fertilizer on fields

• water in watershed becomes polluted

• plowing a farm field

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-3

What happens to pollution that washes into a stream?

• The pollution disappears.

• The pollution travels downstream through the watershed.

• The pollution evaporates into the atmosphere.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS2-4

Which of these is a community found in aquaponics?

• the fish and the water they swim in

• all of the koi

• the plant and bacteria populations put together

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

What would happen if the light to the photic zone of an aquatic ecosystem were blocked?

• The photic zone would NOT heat up or generate currents; finally, the phytoplankton could not absorb the light. Resulting in the loss of organisms' life.

• The photic zone would heat up, generate currents, and phytoplankton would absorb the light. Resulting in the loss of organisms' life.

• Nothing would happen

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

NGSS.MS-LS1-6