APES Aquatic Pollution

The impacts of thermal aquatic pollution can result in all EXCEPT

a. decreased respiration rates of organisms

Based on this report, what will the city's residents be MOST interested in improving?

a. decreasing the pH which has been affected by acid rain and which could cause a fishkill

What is the connection between the loss of biodiversity and dust concentration in ocean waters?

a. dust concentrations negatively affect coral reef populations

What causes the Gulf of Mexico's Dead Zone?

a. eutrophication

Which of the following fictional public slogan represents a program that poses the biggest risk to wetland environments?

a. local industry, local agriculture, local profits!

According to the image, in which stage of wastewater treatment process would large particles and grit be targeted for removal?

a. pretreatment

Which of the following is the BEST explanation of the high concentrations of PCB in polar bears?

a. the global distillation causes PCB to concentrate near the poles and enter the food chain

If the mangrove trees in an area were removed, which of the following does NOT become a greater concern?

c. bioaccumulation

By which process do higher concentrations of a particular chemical, such as pesticide DDT, reach organisms higher up the food chain?

c. biomagnification

In which of the following organisms will biomagnefication concentrate a toxin the most?

c. capelin

During sewage treatment, what is the solid matter that settles out of the wastewater?

c. sludge

Which of the following BEST describes biomagnification?

c. the increase in the concentration of a chemical substance in higher trophic levels

Which is NOT a law that regulates clean water?

d. Toxic Substances Control Act

This demonstrates the phenomenon known as

d. biomagnification

Which statement below CORRECTLY describes the aquatic life support of the watershed in the atrazine study?

d. this watershed may not support life with 80% of the tested sites exceeding EPA standards

What is the main purpose of the experiment?

d. to show atarzine is correlated to a hermaphroditism in bullfrogs

What causes red tide?

a. harmful algal blooms

Which of the following is/are true? (Endocrine Disruptors)

I and II

Based on the lettered locations of fish kills, which of the following is FALSE regarding HABs?

a. HABs are problematic because they often contaminate the drinking water supplies of large cities near letter B

Which is the BEST conclusion about the two sites?

a. Site 2 has a high level of organic pollution

In a sewage treatment facility, the function of the aeration tank is to

a. allow microorganisms to digest remaining dissolved solids in the water after they pass through the secondary clarfier

Once used as insulation

a. asbestos

Which of the following efforts would MOST likely benefit wetland habitats?

a. increased regulations on fishing of certain species

Which of the following represents a constant in the atrazine study?

a. the water samples were collected at the same time each day

Which of the following is most susceptible to, and would be most damaged by, sedimentation pollution from deforestation?

b. Great Barrier Reef

Which of the following can runoff from a residential area into a body of water eventually causing eutrophication?

b. I and II only

Which of the following is a long-term solution to eutrophication of a stream in a residential neighborhood?

b. III only

Which of the following is a component of the primary sewage treatment process?

b. a sedimentation tank

Which of the following describes benefits of using bacteria in sewage treatment?

b. bacteria naturally break down organic matter in the wastewater

The biological sequestering of a substance at a higher concentration than that at which it occurs in the surrounding environment or medium is known as

b. bioaccumulation

Origin of Minamata Disease

b. c

If atrazine is the cause of the feminization, what types of pollutant is atrazine?

b. endocrine disruptor

Found in building materials such as particle board

b. formaldehyde

Which of the following is the best example of point source pollution?

b. waterborne pathogens in a local river

Which is the CORRECT sequence of events for human-induced water pollution?

c. 5,3,1,4,2

Which of the following consequences was the result of the Deepwater Horizon environmental disaster?

c. Polycyclic aromatic hydrocarbons caused heart deformities in tuna and amberjacks

Which statement is the MOST accurate about red tide?

c. The red tide toxins bioaccumulate in oysters and biomagnify in people

Which of the following will occur as the temperature of water increases due to thermal pollution?

c. a decrease in dissolved oxygen

Which of the following is the BEST explanation for the rapid decrease in aquatic life?

c. after the algal bloom reaches carrying capacity decomposers rapidly consume all of the oxygen in the pond

The following are examples of non-point source pollution except

c. ballast water discharge

Scientists can determine if a waterway is contaminated with raw sewage by testing for presence of

c. coliform bacteria

What do we call the addition of excess nutrients to a body of water?

c. eutrophication

Which of the following is NOT a solution to lowering atrazine concentrations in aquatic waterways?

c. increase EPA allowable atrazine concentration

What effect can cultural eutrophication have on an aquatic environment?

c. it can increase BOD (biochemical oxygen demand)

Is a neurotoxin

c. lead

Being able to distinguish the difference between point and nonpoint sources of pollution can help environmentalists with all the following EXCEPT

c. provide clean drinking water through desalinization

Second leading cause of lung cancer in United States

c. radon

Which of the following is NOT a non point-source of pollution?

c. warm water discharged from a manufacturing facility

Which of the following graphs BEST represents the relationship between dissolved oxygen and water temperature?

d

What is 0.1 ppm expressed as a percentage?

d. 0.00001%

Which of the following statements about polychlorinated biphenyls (PCBs) is/are FALSE?

d. II and III only

Which of the following lists represents the concerns that were MOST likely identified?

d. flooding, water purification, loss of habitat

Which of the following is of LEAST concern when dumping human wastewater into a river?

d. human wastewater contains pharmaceuticals

All of the following are commonly used in the final treatment stage before being released into a stream EXCEPT

d. hydrochloric acid

Oligotrophic lakes are characterized by

d. low nutrient levels, low productivity, clear waters, and a high oxygen levels

Which of the following consequences was a result of the Exxon Valdez environmental disaster?

d. over 100,000 animal deaths occurred in species such as birds, otters, seals, and orcas

Which substance is NOT removed by wastewater treatment facilities?

d. pharmaceuticals

Which of the following is the hardest type of pollution to regulate?

d. sediments from construction sites

Which of the following impacts will the construction of the northern dams have on the rice paddies?

d. the dams will cause difficulties for rice farmers providing sufficient water to their paddies in the southern areas

The sharp decline could be due to which of the following?

d. thermal pollution

To mitigate the effects of cultural eutrophication from effluent, some municipal sewage treatment plants many include which of the following?

e. tertiary treatment to remove nitrogen and phosphorus