b. subduction leading to melting of the subducted plate. Microscopic animals (zooplankton) eat the phytoplankton, and are in … What are the reaction products of photosynthesis? a. these fisheries are located near the warmest waters on the planet b. these fisheries are near the largest coral reefs in the world Most of the open ocean habitats are found in the deep ocean beyond the edge of the continental shelf. An estuary is an area where a freshwater river or stream meets the ocean. 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. Only isolated islands, such as Hawaii, Fiji, and the Galápagos, have numerous restricted-range endemic species—species that are found in a particular location and nowhere else; fully 25% of Hawaiian coral species are endemic to the area (Pacific Whale Foundation 2003). The most productive and fertile ocean areas, upwelling regions are important sources of marine productivity. Why are algae beds, coral reefs, and tropical rainforests so productive? 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? We have solutions for your book! Where is coastal upwelling prevalent in South America? when there are excess nutrients in the water. What areas of the ocean are the most productive? Upwelling occurs when winds blowing across the ocean surface push water away from an area and subsurface water rises up to replace the diverging surface water. Search. In the Northern Hemisphere, south-facing slopes receive more sunlight than north-facing slopes, and are therefore warmer and drier. 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. 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. a. a change in the length of time required for Earth to revolve around the Sun. 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. satellite images that capture chlorophyll concentrations in the surface ocean. d. the sea surface cools in the western tropical Pacific. Some of the most important upwelling regions are along the coasts of … Chlorophyll concentr view the full answer Each of Earth's seasons lasts approximately three months. This drives photosynthesis of phytoplankton (tiny alga), which form the base of the ocean food web. Which of the following would cause the length of Earth's seasons to change? An earthquake along the San Andreas Fault in California would be associated with a: Scientists assess the permeability of various soil types. Start studying world ocean 13. by controlling the runoff of nutrients from agricultural lands. This results in warmer ocean surface temperature compared to normal. 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. Each of the following choices is a likely consequence of deforestation except: Which of the following soil types can hold the most water? Because most coral reef The length or ribbon that holds together is a predictor of the relative amounts of sand and clay in the soil. Southern Ocean: High productivity, high phytoplankton density can yield 1gC/m2/day! Which of the following best explains this phenomenon? During an El Niño period, an oceanic event known as upwelling is altered along the coast of Peru. 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? Which answer choice correctly matches the horizon name with its composition? 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. Why are the world's most productive fisheries located in areas of coastal upwelling? This results in warmer ocean surface temperatures compared to normal. d. upwellings support the most productive fisheries. Although some deserts are very hot, with daytime temperatures as high as 54°C (130°F), other deserts have cold winters or are cold year-round. deep ocean basins (below 200 meters) c.) near shore, shallow areas d.) deep ocean thermal vents e.) all areas are equally productive Smaller areas of anchored kelp are called kelp beds. Which of the following is not a process that contributes to the formation of residual soil? Why do waters become anoxic in a dead zone? They have ample access to sunlight and recycle nutrients efficiently. Which ecosystem listed below is the least productive. Indian: Typically low (0.2 gC/m2/day), but depends on seasons and monsoon winds, which can cause upwelling N of equator. This is not necessarily a surprise. What areas of the ocean are the most productive? 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? Magma rising in a conduit beneath the seafloor may meet a layer of unconsolidated wet sediment and in most cases, the magma will be more dense than the wet sediment. a. energy is reflected, absorbed, and scattered by atmospheric gases. 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 rate of aggradation of sediment can be very high, especially in and near active submarine volcanoes. Which area of the ocean is usually the most biologically productive? d. the atmosphere acts independently of Earth's other spheres. This is where wind direction forces surface water away from the shore. Sand, silt, and clay soil textures are differentiated by which physical property? With 20% or more clay content, one would expect a ribbon to be two inches or longer. Functions of the atmosphere include all of the following except: In which layer of the atmosphere does weather occur? How might the development of dead zones be controlled? Which of the following best describes insolation? Which of the following best describes the composition of the Earth's atmosphere? These are also, in most cases, the areas with the highest harvesting pressure. centage of the ocean’s surface area. a.) 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%). 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. Which of the following climatic changes would occur in Peru due to this event? 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. Which of the following is not true of a La Nina event? Browse. Which of the following do not accurately describe the relationship between El Nino and disease? Climate is defined by which of the following? What are the reaction products of respiration? a. average temperature and precipitation over a 30-year period. The shifting and movement of the lithosphere over the top os the asthenosphere is known as what? 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." Although they occupy just fewer than two percent of the surface of the oceans, the large coastal upwelling areas on the eastern edges of the Pacific and the Atlantic are among the most biologically productive marine areas of all. a. storing potential energy as a results of plates encountering resistance as they try to pass each other. Which of the following best explains this phenomenon? Which of the following processes involves on lithospheric plate sinking beneath another lithospheric plate? Ecosystems define life as we know it. Not only do they have a large biodiversity, they also provide 20 percent of the world's fishery contributions. 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? By contrast, phytoplankton are scarce in remote ocean gyres due to … Which ecosystem listed below is the most productive… Earthquakes occur periodically along fault lines. A moistened clump of soil is squeezed between the thumb and fingers. Which of the following occurs at a subduction zone that is the deepest location on the planet? Nutrient-rich waters from the deep ocean are transported into the photic zone. Acre for acre, the coastal ocean is as productive as a prosperous Midwestern farm. Ocean and coastal habitats can be created by species living in them. 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. 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? Water continually circulates into and out of an estuary. Why does coastal upwelling occur on the west coast of many continents? Most ocean life can be found in coastal habitats on the continental shelf, even if this area occupies only 7% of the total ocean area. Get solutions . where river draining areas with high human population densities discharge into the ocean. Which type of rock is formed from cooling magma? Marine ecosystems are the largest of Earth's aquatic ecosystems and are distinguished by waters that have a high salt content. The west coast of major continents supports five of the most productive marine fisheries in the world. e. along the Earth's surface, the air of a Hadley cell moves away from the equator. Over … The arrows indicate the direction in which the water mass is moving. Where are dead zones more likely to develop? Measuring the Greatest Ocean DepthThe Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. Which ecosystem listed below is the most productive? Which of the following best describes the waters in an upwelling? Which of the following earth processes occurs mostly along plate boundaries? Why does coastal upwelling lead to high biological productivity? The layer of Earth that is broken into plates is called the: c. sudden displacement of water due to seafloor earthquakes. a. the O-horizon of the soil profile will increase in thickness. 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. All of the following can occur at a divergent plate boundary except: What type or rock results after a protolith experiences extreme conditions? The winds have shifted and weakened, suppressing the cold nutrient-rich water. Marine waters cover more than 70% of the surface of the Earth and account for more than 97% of Earth's water supply and 90% of habitable space on Earth. How do scientists study phytoplankton concentrations in the world ocean? Ocean currents also influence climate in coastal areas. In order to find land that may be suitable for agriculture, humans would historically look for which characteristic? Primary producers are also known as which of the following? Estuaries provide protected harbors, access to oceans, and connections to rivers Which is the largest river in North America, responsible for the large dead zone that forms each summer in the Gulf of Mexico? 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. For mankind, the resources that we get from the sea has always been a key piece of the puzzle. 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 are statements true regarding the tilt of Earth's axis? Which of the following processes may result in the formation of a volcanic island chain. 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? They attract hundreds of species throughout the trophic levels; these systems' diversity has been a focal point for marine research. 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. Major upwelling areas along the world's coasts are highlighted in red. Once wind sets the surface waters in motion, the forces and features acting on the water to change its speed and direction is (are) __________. this is where seeds germinate, and worms and nematodes are likely to live. Which of the following is not an example of a volcanic island arc formed by subduction? ... where river draining areas with high human population densities discharge into the ocean. The GEOMAR Helmholtz Centre for Ocean Research Kiel will be responsible for the overarching coordination of the three projects. Which processes lead to the formation of clay particles that are characteristic of the B horizon of soil? The soil horizon that has undergone the least amount of weathering is the: Which of the following statements are true regarding seasons on Earth? 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? The word "pelagic" is derived from Ancient Greek πέλαγος (pélagos) 'open sea'. Learn vocabulary, terms, and more with flashcards, games, and other study tools. It brings cold, nutrient-rich water to the surface, where phytoplankton reside. 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. The black area indicates average bathymetry over longitude. To the south it is bounded by the Southern Ocean or Antarctica, depending on the definition in use. The Indian Ocean is the third-largest of the world's oceanic divisions, covering 70,560,000 km 2 (27,240,000 sq mi) or 19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. Sandy soil will generally produce a one inch or shorter ribbon. The most productive ecosystems on Earth include coral reefs. The pelagic zone can be thought of in terms of an imaginary cylinder or water column that goes from the surface of the sea almost to the bottom. They not only support a large biodiversity, but also … Microscopic plants, or phytoplankton, form the base of most of the food webs in the ocean. Which of the following ocean events is caused directly by the Coriolis effect? Which of the following is caused by the upward movement of magma at the Mid-Atlantic ridge? This protected region is best known as a(n). The World Ocean represents an integral part of the system that is the planet Earth. In coastal areas, organisms must adapt to changes in water level and salinity. 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? Based on their results, which of the following soil types is the most permeable? b. they gain speed as they move from lower to higher elevation. What is the standard unit that is used to measure productivity? Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea. 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. … The Santa Ana winds can exacerbate forest fires in southern California. Mountains have a significant effect on the amount of sunlight reaching an area, as well as on local temperature and rainfall. What climatic change would occur in Peru due to this_ 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? c. El Nino causes some areas to be warmer than normal, promoting environments ideal for birds and, therefore, disease transmission. How do plants and animals gain the energy needed to carry out cellular functions? 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. What causes these high productivity areas? Less solar radiation reaches Earth's surface at higher latitudes, in part because it must pass through more of the atmosphere. When will coastal upwelling occur in the Northern Hemisphere? What causes hurricanes in the Southern Hemisphere to spin in the opposite direction as hurricanes in the Northern Hemisphere? The most productive sea areas, presented in this map, are those with the highest biodiversity and biomass. The west coast of major continents supports five of the most productive marine fisheries in the world. Bacteria that decompose the dead algae use up all of the oxygen in the water. These systems contrast with freshwater ecosystems, which have a lower salt content. The ribbon test is a method for estimating soil texture. open ocean (upper 200 meters) b.) All of the following are true of these winds except: b. the angle of Earth relative to the Sun. Chapter: Problem: FS show all show all steps. The winds have shifted and weakened, suppressing the cold nutrient-rich water. grams of carbon per square meter per year. What type of organisms utilize photosynthesis? What can be concluded about a soil sample that produces a 0.5 inch ribbon using the ribbon test? In what way does the atmosphere interfere with insolation? a. geothermal energy from Earth's interior. They find a positive correlation between particle size and permeability. 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. 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