What type of organisms utilize photosynthesis? The ribbon test is a method for estimating soil texture. The GEOMAR Helmholtz Centre for Ocean Research Kiel will be responsible for the overarching coordination of the three projects. Ocean basins are depocenters for sediment derived from the continents as well as from intrabasinal sources. Each of the following choices is a likely consequence of deforestation except: Which of the following soil types can hold the most water? e. along the Earth's surface, the air of a Hadley cell moves away from the equator. In open oceans, organisms must adapt to changes in temperature and the amount of sunlight and nutrients available: Why are many of the world's largest cities built on estuaries? a.) Which of the following are statements true regarding the tilt of Earth's axis? The most productive and fertile ocean areas, upwelling regions are important sources of marine productivity. an area of the open ocean where the rate of primary productivity is very low is: a. atropic zone b. eutrophic area c. oligotropic area d. photic zone e. polytropic area c. oligotropic area productivity in polar oceans is: a. light-limited b. nutrient-limited c. oxygen-limited d. … Get solutions . Measuring the Greatest Ocean DepthThe Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. Estuaries provide protected harbors, access to oceans, and connections to rivers Ecosystems define life as we know it. This is where wind direction forces surface water away from the shore. Each of Earth's seasons lasts approximately three months. Southern Ocean: High productivity, high phytoplankton density can yield 1gC/m2/day! What causes these high productivity areas? The most productive areas in the ocean are those where phytoplanktons are abundant in the presence of optimum sunlight and nutrients brought upwards by deep and cold ocean waters. Which of the following is caused by the upward movement of magma at the Mid-Atlantic ridge? Mountains have a significant effect on the amount of sunlight reaching an area, as well as on local temperature and rainfall. The winds have shifted and weakened, suppressing the cold nutrient-rich water. What are the reaction products of respiration? Not only do they have a large biodiversity, they also provide 20 percent of the world's fishery contributions. when there are excess nutrients in the water. These systems contrast with freshwater ecosystems, which have a lower salt content. All of the following statements about patterns of temperature and precipitation are true except: Which of the following can result from the convergence of two continental plates? This drives photosynthesis of phytoplankton (tiny alga), which form the base of the ocean food web. Which is the largest river in North America, responsible for the large dead zone that forms each summer in the Gulf of Mexico? They have ample access to sunlight and recycle nutrients efficiently. An estuary may also be called a bay, lagoon, sound, or slough. Which of the following rock cycle processes plays the greatest role in soil formation? Where are dead zones more likely to develop? Which of the following best explains this phenomenon? by controlling the runoff of nutrients from agricultural lands. Although influenced by the tides, they are protected from the full force of ocean waves, winds and storms by land forms such as barrier islands or peninsulas. Chlorophyll concentr view the full answer Circulation patterns observed in the ocean's surface waters are driven by: a. the atmosphere is a layer of gases that surround the Earth which absorbs radiation and moderates climate. What areas of the ocean are the most productive? Which of the following best explains this phenomenon? Estuarine environments are among the most productive on earth, creating more organic matter each year than comparably-sized areas of forest, grassland or agricultural land. Primary producers are also known as which of the following? Why do waters become anoxic in a dead zone? This results in warmer ocean surface temperature compared to normal. What areas of the ocean are the most productive? Major upwelling areas along the world's coasts are highlighted in red. They find a positive correlation between particle size and permeability. open ocean (upper 200 meters) b.) Which of the following is not an example of a volcanic island arc formed by subduction? Which of the following is not a process that contributes to the formation of residual soil? A tsunami can result from all of the following except: Which rock type is largely formed through interactions of Earth's lithosphere with the hydrosphere and biosphere? For mankind, the resources that we get from the sea has always been a key piece of the puzzle. The shifting and movement of the lithosphere over the top os the asthenosphere is known as what? Which of the following is not true of a La Nina event? The temperature at or near Earth's surface is least influenced by: On average, what is the depth of topsoil produced over a time span of 100 years? deep ocean basins (below 200 meters) c.) near shore, shallow areas d.) deep ocean thermal vents e.) all areas are equally productive Earthquakes occur periodically along fault lines. a. average temperature and precipitation over a 30-year period. Estuaries are home to unique plant and animal communities that have adapted to brackish watera mixture of fresh water draining from the land and salty seawater. d. the atmosphere acts independently of Earth's other spheres. Upwelling regions are less than 1 per cent of the world’s ocean by area, but account for greater than 20 percent of the global fish catch. The word "pelagic" is derived from Ancient Greek πέλαγος (pélagos) 'open sea'. b. they gain speed as they move from lower to higher elevation. Smaller areas of anchored kelp are called kelp beds. Browse. An earthquake along the San Andreas Fault in California would be associated with a: Scientists assess the permeability of various soil types. a. storing potential energy as a results of plates encountering resistance as they try to pass each other. Why are algae beds, coral reefs, and tropical rainforests so productive? Which of the following best describes insolation? What are the reaction products of photosynthesis? What climatic change would occur in Peru due to this_ Because most coral reef a. geothermal energy from Earth's interior. The World Ocean represents an integral part of the system that is the planet Earth. The arrows indicate the direction in which the water mass is moving. Sand, silt, and clay soil textures are differentiated by which physical property? ... where river draining areas with high human population densities discharge into the ocean. When will coastal upwelling occur in the Northern Hemisphere? Indian: Typically low (0.2 gC/m2/day), but depends on seasons and monsoon winds, which can cause upwelling N of equator. Ocean acidification is therefore one of the most important research areas regarding the effects of elevated CO 2 on deep-sea marine calcifiers and the marine ecosystem in general." this is where seeds germinate, and worms and nematodes are likely to live. What is the standard unit that is used to measure productivity? Which of the following ocean events is caused directly by the Coriolis effect? Based on their results, which of the following soil types is the most permeable? How do plants and animals gain the energy needed to carry out cellular functions? This is not necessarily a surprise. By contrast, phytoplankton are scarce in remote ocean gyres due to … With 20% or more clay content, one would expect a ribbon to be two inches or longer. d. the sea surface cools in the western tropical Pacific. A moistened clump of soil is squeezed between the thumb and fingers. Ocean currents also influence climate in coastal areas. Although they occupy less than two percent of the oceans, the coastal upwelling areas in the eastern parts of the Pacific and Atlantic Ocean are among the biologically most productive marine areas worldwide. Start studying world ocean 13. The convergence of a continental plate and oceanic crust can result in all of the following except: Which of the following causes seasonal variability in temperature and precipitation? Why does coastal upwelling occur on the west coast of many continents? To the south it is bounded by the Southern Ocean or Antarctica, depending on the definition in use. All of the following are true of these winds except: b. the angle of Earth relative to the Sun. These upwelling zones, including one along the equator maintained by the convergence of the easterly trade winds, and others along the western coasts of several continents, are among the most productive ocean ecosystems. Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea. A trench may form as a result of lithospheric plate interactions in which: Which of the following biomes features soils with the least amount of humus? Most of the open ocean habitats are found in the deep ocean beyond the edge of the continental shelf. b. subduction leading to melting of the subducted plate. During an El Nino period, an oceanic event known as upwelling is altered along the coast of Peru. The rate of aggradation of sediment can be very high, especially in and near active submarine volcanoes. when winds blow from the north, parallel to shore. The World Ocean Circulation Experiment (WOCE) which began in 1990 is a five-year research program which was established to gain more information about oceans; specifically on their contribution to heat flow. Acre for acre, the coastal ocean is as productive as a prosperous Midwestern farm. Which ecosystem listed below is the most productive? Once wind sets the surface waters in motion, the forces and features acting on the water to change its speed and direction is (are) __________. Which ecosystem listed below is the least productive. They attract hundreds of species throughout the trophic levels; these systems' diversity has been a focal point for marine research. It brings cold, nutrient-rich water to the surface, where phytoplankton reside. How might the development of dead zones be controlled? The most productive sea areas, presented in this map, are those with the highest biodiversity and biomass. Which answer choice correctly matches the horizon name with its composition? Water continually circulates into and out of an estuary. The length or ribbon that holds together is a predictor of the relative amounts of sand and clay in the soil. This results in warmer ocean surface temperatures compared to normal. d. upwellings support the most productive fisheries. An estuary is an area where a freshwater river or stream meets the ocean. a. energy is reflected, absorbed, and scattered by atmospheric gases. Bacteria that decompose the dead algae use up all of the oxygen in the water. Climate is defined by which of the following? Deserts are areas that receive very little precipitation.People often use the adjectives “hot,” “dry,” and “empty” to describe deserts, but these words do not tell the whole story. The city of New York has chosen to protect the area of upstate New York in the Catskill Region as it provides naturally filtered water to the millions of residents of Manhattan and other boroughs. In the Northern Hemisphere, south-facing slopes receive more sunlight than north-facing slopes, and are therefore warmer and drier. Which of the following do not accurately describe the relationship between El Nino and disease? The west coast of major continents supports five of the most productive marine fisheries in the world. Although they occupy less than two percent of the oceans, the coastal upwelling areas in the eastern parts of the Pacific and Atlantic Ocean are among the biologically most productive marine areas worldwide. Why are the world's most productive fisheries located in areas of coastal upwelling? In what way does the atmosphere interfere with insolation? Search. They not only support a large biodiversity, but also … An ecosystem "includes all living organisms in an area as well as its physical environment functioning together as a unit," as stated by Biology Online. The open oceans account for most of the net primary productivity on the planet even though they have one of the lowest average net primary productivities simply because they cover by far the most area on Earth (65%). In between such earthquake events at a transform boundary, the lithospheric plates are: A tsunami would most likely result from seismic activity in which of the following places? Kelp forests are underwater areas with a high density of kelp, which covers a large part of the world's coastlines.They are recognized as one of the most productive and dynamic ecosystems on Earth. a. a change in the length of time required for Earth to revolve around the Sun. The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth, as illustrated on the right. Which of the following occurs at a subduction zone that is the deepest location on the planet? Which of the following climatic changes would occur in Peru due to this event? The first soil horizon to develop from bedrock is the: The north and south poles receive less insolation than other locations on Earth because of which of the following? Less solar radiation reaches Earth's surface at higher latitudes, in part because it must pass through more of the atmosphere. Which of the following earth processes occurs mostly along plate boundaries? In estuaries, the salty ocean mixes with a freshwater river, resulting in brackish water.Brackish water is somewhat salty, but not as salty as the ocean. The most productive ecosystems on Earth include coral reefs. What can be concluded about a soil sample that produces a 0.5 inch ribbon using the ribbon test? a. the O-horizon of the soil profile will increase in thickness. Subduction may result in the formation of all of the following except: All if the following can occur at a transform fault boundary except: c. A horizon - this is called topsoil. Chapter: Problem: FS show all show all steps. where river draining areas with high human population densities discharge into the ocean. Over … Which area of the ocean is usually the most biologically productive? It is bounded by Asia to the north, Africa to the west and Australia to the east. 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