Ocean 320 final Exam Questions With 100% Correct Answers
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Ocean 320 final Exam Questions With 100% Correct Answers
"Counting the Last Fish" , an article by Daniel Pauly and Reg Watson points to a number of realities related to overfishing including.... (select all that apply) - Answer-overfishing is often performed by foreign boats that have no loca...
"Counting the Last Fish" , an article by Daniel Pauly and Reg Watson points to a
number of realities related to overfishing including.... (select all that apply) - Answer-
overfishing is often performed by foreign boats that have no local incentives
overfishing results in decreases in species and food web diversity
food webs contain fewer trophic levels when overfishing occurs
/.A "flash drought" is a phenomena where the weather can become so hot, so fast that it
quickly sucks large quantities of moisture out of the soil and can lead to major crop
losses - Answer-true
/.A change from a El Nino condition to that of a La Nina would......(select three) -
Answer-increase the chances for a dry California winter
increase the chances of upwelling within the California current
increase the chances of primary productivity in the Santa Barbara Channel
/.A change from an El Nino condition to La Nina ocean temperatures would......(select 2)
- Answer-enhance the conditions for upwelling within the California current
increase the chances for a dry California winter
/.A change in the geography of the planet that occurred about 3.7 million years ago
which altered ocean currents and climate was related to..... - Answer-the formation of a
land bridge between North and South America
/.A faster velocity jet stream has a tendency to create smaller meandering waves which
would produce less variation in winter time temperatures? - Answer-true
/.A keystone species is the most abundant type of life in an ecosystem? - Answer-false
/.A majority of open ocean fish depend on mangroves for reproduction of their species?
- Answer-true
/.A majority of people part of "Pew Research Center" poll (2014) were in favor of
offshore oil drilling? - Answer-true
, /.A report by scientists at Scripps who studied marine fossil assemblages in layers
deposited over the last 85 million years says ........... - Answer-the structure of the
ecosystem was resilient to climate change during the Cenozoic
/.A study paper for this unit, "The Functioning of Marine Ecosystems", describes how
impacts to the ecosystem at various trophic levels can effect the rest of the system.
What type of control effects the entire system? - Answer-bottom up control
/.A Tale of Two Oceans tells of the big difference between the Pliocene and
Pleistocene. What were some of the global changes that occurred due to this warm to
cool transition? (select all that apply) - Answer-a change from a more EL Nino like
Pacific......... to a more La Nina like normal
a change from a more density stratified ocean....... to one that promotes more vigorous
mixing and upwelling
some changes in wind driven surface and gravity driven deep ocean currents
/.A two-year chart of Carbon Dioxide measurements made from the top of Mauna Loa,
Hawaii, shows a saw tooth patten. Why? - Answer-global cycles of terrestrial primary
productivity
/.According to TC chamberlain one way of "doing science" is to........? - Answer-have a
multiple working hypothesis
/.After 100 years of plankton studies which used small nets to capture the tiny floating
creatures, what major plankton discovery was made in the 1990's of a type more
numerous than any other? - Answer-bacterial nanoplankton
/.All animals on Earth can only "see" in the visible part of the spectrum? - Answer-false
/.An active satellite sending out an obliquely incident beam of energy (not straight down)
can measure the waves.
How so? - Answer-a large amount of backscatter means big waves
/.An El Nino relates to ......? (select two) - Answer-warm water in the eastern Pacific
cold water in the western Pacific
/.Aquasilvaculture involves raising species in a compatible way with ....? - Answer-plant
species
/.As aquaculture food products have increased, the tonnage of wild fish caught has
steadily declined? - Answer-false
/.As far as harmful science is concerned, which two of the following are a combustible
mix according to Carl Sagan? (select two) - Answer-- power
- ignorance
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