APES '19-unit 5

What is the health risks could be connected to eating some fish from lakes or the ocean?

• They may be invasive species that impact native fish species populations.

• The Omega-3 fatty acids found in some fish can have a negative impact on cardiovascular health.

• If they are high on the food chain they may contain high levels of mercury or PCB's.

• They may have been exposed to inorganic nutrients from fertilizers.

Tags

NGSS.HS-LS2-6

What is it called when a persistent pollutant (like mercury or PCBs) builds up in the tissues of an organism as they continue to eat something that contains the pollutant?

• Negative Feedback Loop

• Biomagnification

• Tragedy of the Commons

• Bioaccumulation

• Positive Feedback Loop

The pollution of waterways creating conditions in which productivity is decreased and gills of bottom dwelling organisms are clogged is due to

• erosion and sedimentation

• runoff and flooding

• herbicides and eutrophication

• mining and acid deposition

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What do we call the land area that supplies water to a river system?

• runoff
• recharge
• watershed
• valley

Tags

NGSS.MS-ESS2-4

What is the top of the water-filled spaces in the ground called?

• Groundwater
• Reservoir
• Water Table
• Well

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Which is a type of wastewater?

I. Sewage water from toilets

II. Water from showering and bathing

III. Water from washing clothes

• I only

• II only

• III only

• I and II

• I, II, and III

Human wastewater entering into bodies of water such as rivers or lakes can be dangerous because

I. it causes a drop in the biological oxygen demand.

II. it can lead to cultural eutrophication.

III. the wastewater can carry pathogens.

• I only

• II only

• III only

• II and III

• I, II, and III

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which pollutant is most likely to be released into groundwater supplies without human intervention?

• Phosphates

• Lead

• Arsenic

• Mercury

Tags

NGSS.MS-ESS3-1

What percent of water on earth is FRESH WATER?

• 97.5%
• 2.5%

Desalination is

• removing salt from water
• removing oil from water
• removing toxic chemicals from water
• adding salt to water