Pathogens
The main vector for Malaria is
mosquitoes
synthetic, carbon-based, fat-soluble pollutants that aren’t easily metabolised by organisms bodies
what are persistent organic pollutant
This term describes the process by which pollutants build up in organisms at higher trophic levels.
Biomagnification
What structure in places at the bottom of a landfill to prevent contamination/pollutants from leeching into soil and aquifers?
clay / plastic bottom liner
What does the Comprehensive Environmental Responsibility Compensation and Liability Act deal with
CERCLA
cleanup of abandoned hazardous waste site
AKA Super Fund Sites
What causes Dysentery?
often caused by exposure to raw sewage in streams and rivers
bacteria in contaminated water or food.
the buildup/concentration of POPs/fat-soluble pollutants in the bodies of organisms over time
what is bioaccumulation
Eutrophication can occur in wetlands when excess nutrients, often from this source, enter the ecosystem.
What are agricultural runoff or sewage? will consider other answers if they are correct,
A) How is most MSW (Municipal Solid Waste) disposed of in the United States?
landfills
What three substances are commonly used in the Tertiary Treatment (third part) of sewage treatment?
chlorine, UV radiation or Ozone
This compound, which can cause thinning of bird shells, is used as a preventative for malaria
DDT
This POP, commonly used as a pesticide, was banned in many countries due to its harmful effects on wildlife and human health.
What is DDT (dichlorodiphenyltrichloroethane)?
list a human activity that disrupts wetland ecosystems
agricultural runoff, building parking lots and homes, filling in wetlands, and pollutants from cars. Will consider other answers.
Activated-sludge tanks are designed to facilitate the decomposition of organic material by aerobic organism, such as bacteria
How does an endocrine disruptor work to cause harm?
Cholera is caused by _____________. Human health impacts include _________.
bacteria in water; spread through contaminated food or water and impacts the intestine, causing diarrhea
POPs can do this to an organism
central nervous system damage, reproductive system damage/disruption - will consider other answers if correct
*Double Jeopardy*
What is a benefit of wetlands?
flood control/recreation/water supply/habitat - Will consider other answers if correct.
When the temperature of water goes UP ______ ______ goes down.
dissolved oxygen
Why are plastics problematic in MSW?
Plastics take a very long time to decompose; they are persistant
This bacterial infection is spread through the air when a person coughs or sneezes and infects the lungs
what is tuberculosis
Mercury can enter aquatic ecosystems by
combustion of coal releases particulates with mercury attached that can be deposited in downwind aquatic ecosystems by particulates or precipitation, coal ash ponds can overflow which releases mercury into nearby surface water
Describe each pollutant:
Urban runoff or runoff from a farm are __________________
oil spill (tanker spill or oil rig explosion) are _______________
Urban runoff or runoff from a farm are non point source
oil spill (tanker spill or oil rig explosion) are point source
What usually causes thermal pollution?
Power plants releasing warm water into local bodies of water.
Describe how run off from sewage can lead to eutrophication:
sewage dumped in water provides excess nutrients and turbidity; algal blooms occur due to the extra nutrients, further clouding the water; photosynthesis does not occur and the seaweed below no longer produces oxygen; organisms begin to die.