Oceans 320 Midterm Exam Questions With Complete Solutions
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Course
Oceans 320
Institution
Oceans 320
Oceans 320 Midterm Exam Questions With Complete Solutions
A ocean baseline would be the same as.... - Answer-a reference point
/.According to the "Global Scores Index", what is a region where it would be more likely to have a lower chemical pollution index? - Answer-The coastlines of contin...
A ocean baseline would be the same as.... - Answer-a reference point
/.According to the "Global Scores Index", what is a region where it would be more likely
to have a lower chemical pollution index? - Answer-The coastlines of continents
/.According to the "Ocean Health Index", what is the third step of the Mercury Pollution
Cycle? - Answer-Food Chain Contamination
/.According to the "The Great Acceleration" from the International Geosphere-Biosphere
Programme, the domino effect describes how a single human interaction can have
multiple effects on the Earth. Which of the following is a false effect of fossil fuel
combustion? - Answer-The additional carbon dioxide in the atmosphere is causing the
ocean to become more basic.
/.According to the article "How Many People Have Ever Lived on Earth?", from 1800
C.E population growth continued from 1 billion to 7.5 billion present day, this was due
to? - Answer-Advances in medication and nutrition
/.According to the article "How Plastic Cleanup Threatens the Ocean's Living Islands",
which of the following best describes the influence of the Ocean Cleanup Project? -
Answer-Organisms like blue sea dragons are susceptible to physical damage from
impact of the ocean current and the barriers
/.According to the article "The trajectory of the Anthropocene: The Great Acceleration",
When distinguishing how much a country affects the global climate due to its emissions
of greenhouse gases, it is important to correlate its emissions with what other feature(s)
about the country? - Answer-- Primary Energy Use
- GDP
/.According to the article Ocean Pollution, which of the following is not true about oil
pollution in oceans? - Answer-Animals cannot be impacted by simply eating smaller
prey that has been contaminated by oil spills.
/.According to The Atlantic article entitled "How Plastic Cleanup Threatens the Ocean's
Living Islands", pleuston are described as what in relation to the neuston ecosystem? -
Answer-Organisms that live exclusively by floating at the surface of the water within the
neuston ecosystem, such as cyanobacteria, gastropods and bugs.
/.According to the Atlantic's article, "How Plastic Cleanup Threatens the Ocean's Living
Islands," why would it be detrimental to the ocean for Ocean's Cleanup project to begin
, what they are doing? Pick all that apply. - Answer-- Destroy 90% of all neuston habitats,
depriving and killing many animals that rely on it.
- The effects of removing the neuston habitat is unknown and so by removing it humans
may be causing more harm to the marine environment.
- The project would only remove the garbage that is there and does little in terms of
preventative measures to ensure that no more plastic trash ends up in the ocean.
/.According to the BBC article, "Banned chemicals persist in the deep ocean, which
location contained 50 times the PCB concentration than the Liaohe River in China, and
why? - Answer-In the Mariana Trench as contaminated corpses sank to the bottom,
they contaminated the decomposers.
/.According to the Chemical Pollution article from Oceanhealthindex.org, is it possible to
measure actual concentrations of the numerous substances found throughout the
ocean? - Answer-No, scientists, in fact, only have limited data availability and measured
the chemical components as an average from various types of pollution
/.According to the excerpt, "PCBs in Whales", from PBS Frontline's documentary,
"Polluted Waters", young orcas in the Puget Sound have been dying off at a rapid rate
due to PCB poisoning. What were the scientists' conclusions regarding how these
chemicals made their way into the young orcas? - Answer-The young orcas consumed
large amounts of PCBs nursing from their mothers, who had bioaccumulated PBCs in
their bodies.
/.According to the Oceans Health Index, what exactly caused the beluga whale
population in Canada's St. Lawrence estuary to decline dramatically from 5,000 in the
1900's to 650 today? - Answer-High spikes in cancer was found in the pods due to
POPs (Persistent Organic Pollutants) concentrations increasing dramatically in the
ocean within the last century, causing wildlife to fall under many symptoms such as birth
defect's and other troubling health problems
/.According to the study done by Frank Gotmark and Malte Andersson, Human fertility
rate correlates negatively with which of the following? - Answer-Education
/.According to the video "Pesticides -DDT-Rachel Carson-Silent Springs" what was
Rachel Carson's main goal in writing her book "Silent Springs" in 1962? - Answer-To
question the use of DDT through research and to let people know that DDT and the
chemicals within it are harmful to the environment and to the living creatures within it,
including humans.
/.According to the YouTube Video "Pesticides-DDT-Rachel Carson-Silent Spring", what
is main chemical used in DDT to "stampede insects from their hiding places"? - Answer-
Stabilized Pyrethrum
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