OCEAN 320 Quizzes 1 - 6 | Verified with 100% Correct Answers

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OCEAN 320 Quizzes 1 - 6 | Verified with 100% Correct Answers Which of the following is NOT a reported issue related to PCB in Beluga Whales in the St Lawrence seaway? heart disease The Kermadec Tren ... ch 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) -accurate record keeping -openness -peer review -replication Early in the 20th Century chemists created a new formulation for gasoline that made engines run much smoother by adding dissolved mercury. False When referring to a water molecule, what does "polarity" mean? A water molecule has opposite charges like magnetic poles What is "the most successful oceanographic sciences satellite of all time" and according to Walter Monk? Topex-Poseidon The Coriolis Force in the atmosphere is attributed to the.... the spin of the Earth We know that in the tropics the ITCZ Inter-tropical Convergence Zone is where the trade winds are headed..... on their journey, the trade winds would likely never blow FROM this direction? Southwest George Hadley figured out the reason that the trade winds constantly blow toward the inter-tropical convergence zone...which is...? constantly rising equatorial air What is true about the wave energy in Iceland? Based on our satellite observations the wave energy is higher in Iceland in the winter Which of the following locations has a lower degree of primary productivity? Halfway between California and Hawaii What two bands of the electromagnetic spectrum are closest to the visual band? (Select two) -Ultraviolet rays -Infrared rays Which of the following factors play a role in creating big ocean wind waves? (select all that apply) -the area of ocean with maximum winds -a continuously forward storm path -the strength or velocity of the wind -the duration of the storm winds -an intensifying storm and wind field In this contour Image of ocean temperatures, what is the temperature in degrees C of the bright yellow spot in the lower right portion? 17 degrees This term divides the total biomass based on a species position in the food chain and also describes the flow of energy through the system? trophic levels What change likely occurred that caused the Megladon shark to go extinct while allowing the Blue Whale to survive during the late Cenozoic. Collapse of higher tropic levels could readily wipe out Megladon Fishing down the food web implies ....? fishermen catch higher tropic levels first Which of the following statements is NOT true? At the time of Arlington Man, the Channel Islands were not islands because they were connected to the mainland. DNA evidence that supports a coastal migration to the Americas comes from which source? (select as many as apply) -animal fossils -human fossils -plant fossils What is true about our understanding of ocean ecosystems? We do not understand all the details of the current ocean ecosystem (including species interactions) and thus can only speculate about the ecosystems of the past Why do ecosystem baselines regressively shift? humans don't readily notice Based on a report by scientists at Scripps who studied marine fossil assemblages in layers deposited over the last 85 million years, Geologically, the "modern ocean" ecosystem is distinct from the.... Paleogene What is true about toxicity and the ocean environment in the Puget Sound? (select all that apply) -The root cause of toxicity in the Puget Sound is that people are part of the ocean ecosystem -The deteriorated state of the Puget Sound ecosystem has been recognized but recovery is a long way off if at all possible -Bioaccumulation (toxic magnitication) is a key contributor to death in the Puget Sound [Show More]

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