OCEAN 320 Quizzes 1 - 6

OCEAN 320 Quizzes 1 - 6
Which of the following is NOT a reported issue related to PCB in Beluga Whales in the
St Lawrence seaway?
heart disease
The Kermadec Trench would be one of the deepest places in the ocean also called the
_________zone?
Hadal
Advances in early 20th century fishing technology with larger vessels and
_______________ allowed boats to start going global instead of just fishing in local
waters.
Refrigerators
When analyzing human population over time, what is most likely true?
More than 110 billion people have lived (were born) over the last 200,000 years
Science is a blend of logic and _____________.
Imagination
What best describes a "Neuston" in the context of life in the ocean?
It is related to shallow water ecosystems
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?
bacterial nanoplankton
The great acceleration pertains to the rapid human population increase. It has become
apparent that human driven change is effecting the rate of processes on Earth. Choose
from the following all the true statements about the "global scale" impacts of humans?
(select more than one)
-the human impacts operate on much faster time scales than rates of natural variability,
often by an order of magnitude or more
-the human impacts taken together in terms of extent, magnitude, rate and simultaneity,
have produced a no-analogue state in the dynamics and functioning of the Earth
system.
-the human impacts are approaching or exceeding in magnitude some of the great
forces of nature
Science ethical practices are guided by several factors. (select all that apply from the
following list)