Unit 8

Question 1

Point Source

Answer 1

Pollutants that enter the environment from an easily identified and confined space
Examples: CAFO, Emissions from smokestack of a coal power plant, BP Oil Spill

Question 2

Non-Point Source

Answer 2

Pollutants entering the environment from many places at once.
Examples: Pesticides from agricultural practices and Urban Runoff

Question 3

Urban Runoff includes…?

Answer 3

Motor Oil, Nitrate Fertilizer, Road Salt, Sediments

Question 4

Estuaries and Bays are polluted by…

Answer 4

Non-Point sources from the large watersheds that empty into them

Question 5

Pollutants

Answer 5

Specific Chemical/Groups of chemicals from specific sources with specific environment + human health effects

Question 6

Pollution

Answer 6

Vague, non-descriptive term for any substance that is harmful to the environment
Exceptions: Thermal, Noise, Sediment Pollution

Question 7

Identify some sublethal effects an organism can suffer if a pollutant or environmental condition in its ecosystem exceeds its range of tolerance

Answer 7

• Limit growth
• Limited reproductive function
• Difficulty respiring (breathing), potentially asphyxiation
• Hormonal disruption
  Ex: Coral

Question 8

Explain the process of coral bleaching

Answer 8

Coral loses color & become stressed and vulnerable to disease without algae (Main Food Source)