WorksheetsUnit 8 APES Review
Total questions: 13
Worksheet time: 21mins
A factory discharges a mercury-based waste into the local river. This is
point-source pollution
nonpoint-source pollution
not a problem, mercury is natural
Which of the following will result in accelerated eutrophication when introduced into streams, lakes, and bays?
Bacteria and viruses
pesticides
herbicides
phosphates
acid wastes
The diagram shows a power plant designed to generate electricity for a nearby city.
The water used in this type of power plant is often released back into a reservoir.
Which of the following effects could this released water have on the reservoir?
The released water is radioactive and is lethal to a variety of organisms in the reservoir.
Chemical pollutants in the released water cause algal blooms in the reservoir.
Ash from the power plant is dissolved in the released water and will precipitate out into the reservoir.
The temperature of the released water causes a decrease in the amount of dissolved oxygen in the reservoir.
Many synthetic chemicals, such as PCBs, act as estrogen mimics. In an ecosystem, these persistent chemicals would have the greatest effect on which of the following?
decomposers
primary consumers
parasites
secondary consumers
autotrophs
The graph shows how biological oxygen demand (BOD) and dissolved oxygen (DO) concentration change over the length of a stream. Points A–D indicate different locations within the stream.
At which of the following locations in the stream was there most likely a discharge of excess organic matter into the water?
A
B
C
D
Which of the following practices would best help to protect against inland and coastal flooding in urban areas?
Regulating the use of pesticides and fertilizers in agriculture
Preserving wetland and coastal mangrove habitats
Increasing the capacity of the sewer lines so they can handle a larger volume of water
Straightening stream channels to increase stream flow
Which of the following describes a component of a modern sanitary landfill?
A series of screens and grates to prevent large objects from entering the landfill
A bottom liner of plastic or clay to prevent groundwater contamination
Aerated tanks in which bacteria break down organic matter
Chemical or ultraviolet light systems that kill pathogens
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
Subsidence
Biomagnification
Tragedy of the commons
Bioaccumulation
Organic matter like yard waste in landfills is a problem primarily because
there is a high risk of toxic leaching
it contains bacteria that spreads disease
as it breaks down it can dissolve the containment
it produces methane gas as it decomposes
Law that require sites that have massive cleanup due to hazardous waste contamination callled ____ and being managed by ____.
Toxic waste clean up act, Environmental Protection Agency
Clean air act , state governors
Clean water act, Federal Emergency Waste Management
CERCLA (Superfund), Environmental Protection Agency
