9/30 Bell Work

Organisms that are used to assess water quality are

• bioilluminators
• bioindicators
• abiotic factors
• eutrophicators

What is pH?

• The property of containing salt

• The measure of the amount of oxygen that is dissolved in water

• The amount of suspended solids in water

• The measurement of the acidity or basicity of water

Which best determines the health of a lake used as a source of fresh drinking water?

• its depth and width

• its temperature and dissolved oxygen

• its location and depth

• its temperature and depth

Tags

NGSS.MS-LS2-4

How would excessive increases in nitrate and phosphorous concentration affect
freshwater systems?

• It would cause excessive algal blooms.
• It would cause increased dissolved oxygen.
• It would cause increased water clarity.
• It would cause extremely cold water.

Which would MOST LIKELY result in an unhealthy aquatic habitat?

• a decrease in turbidity

• a decrease in nitrates levels

• an increase in water temperature

• an increase in dissolved oxygen levels

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4