ocean test 1 ch 1 and 2

What is the chemical formula for sugar?

C6H12O6

The following set of observations describes an actual body of water. Evaluate these statements and determine the evolutionary stage of an ocean basin based on the following characteristics: Lacks a mid-ocean ridge Deep ocean basin is present Early signs of mountain formation Volcanic island arc and trench absent

terminal

Which one of the following is the most common types of foraminifer ooze?

Globigerina

Which layer of the Earth is composed of a liquid?

outer core

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. Ammonia Water vapor Carbon dioxide Oxygen Methane

oxygen

What are the reaction products of photosynthesis?

oxygen gas and sugar

The first humans from Western Hemisphere known to have developed the art of navigation were the: Polynesians .Greeks .Vikings. Phoenicians. New Zealanders.

phoeniciana

What is the age of the oldest ocean floor? 100 million years 150 million years 250 million years 180 million years 200 million years

180 million years

The oldest part of the Great Barrier Reef is around ________ years.

25 million

The first recorded circumnavigation of Africa was made by the ______

Phoenicians

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. Seafloor spreadingRift valleyOceanic ridgeAbyssal hillOceanic rise

Abyssal hill

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. Continental slopeContinental riseAbyssal plainContinental shelfContinental flood basalt

Continental flood basalt

Which of the following statements accurately describes a segment of the mid-ocean ridge spreading at a rate of 3 centimeters per year?

It would have a prominent and deep rift valley. It would be classified as an oceanic ridge.

The ancient remains of which of the following, buried before they could decompose, are the source of today's petroleum deposits?

Microscopic organisms

Of the following statements about mapping the ocean floor, which is/are true?

Multibeam surveys from ships produce very detailed maps of the sea floor.Measurements of sea surface elevation by satellites are used to produce maps of the sea floor.Only about 20% of the sea floor has been accurately mapped in detail.

Which of the following techniques used to determine ocean bathymetry is illustrated in the image?

Seismic Reflection

Imagine you are a geological oceanographer. As an expert, you are asked by a student to recommend the technique that would produce the most detailed map of a deep-water seamount near Hawaii. Which instrument would you recommend?

Side-scan sonar

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. Volcanic ashGlaciersTurbidity currentsSiliceous oozeRivers

Siliceous ooze

Judge the following sentence according to the criteria given below: Few abyssal plains are located in the Pacific Ocean BECAUSE the deep-ocean trenches found on the convergent active margins of the Pacific Ocean prevent sediment from moving past the continental slope.

The assertion and the reason are both correct, and the reason is valid.

How do the physical properties of the asthenosphere differ from the lithosphere?

The athenosphere is plastic or malleable and capable of slow flow. The lithosphere is a brittle and rigid solid region comprised mosly of basalt and granite.

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. a plants b autotrophs c chemosynthesis d heterotroph e photosynthesis

heterotrophs

Most large earthquakes occur along which of the following?

ocean trenches

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

oceanic trench

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. Stanley Miller Alfred Wegener Frederick Vine Drummond Matthews Harry Hess

stanley miller

what are the reaction products of respiration

water and carbon dioxide gas

What is the expected calcium carbonate content in modern surface sediments at a latitude of 0 degrees and a longitude 60 degrees east?

50%-80% by weight

Consider an interdisciplinary study that is aimed at understanding how ocean currents affect the distribution of coral larvae. What two disciplines of oceanography would the researchers be focused on? Chemical and geological oceanography Biological and chemical oceanography Biological and physical oceanography Geological and physical oceanography Chemical and physical oceanography

Biological and physical oceanography

Judge the following sentence according to the criteria given below: There is no relative motion across a transform fault BECAUSE the parts of the lithospheric plate cut by a transform fault are moving in the same direction.

Both the assertion and the reason are incorrect.

Rocks like the ones shown in the photo most likely formed at which of the following tectonic settings?

Divergent plate boundary

Marine phosphate is an example of which of the following sediment types?

Hydrogenous Sediment

Which type of sediment deposit has an average rate of deposition (per 1000 years) of 0.001 millimeter (0.00004 inch)?

Manganese nodule, pelagic deposit

What can you infer about the ocean environment from a core sample composed of the following layers: Siliceous ooze (youngest layer) Calcareous ooze Basalt rock (oldest layer)

The core was collected in a region of high surface productivity in water deeper than 4500 meters.

Which part of Earth's cumulative hypsographic curve includes the continental shelves of passive margins?

The shallowest slope below sea level

How do plants and animals gain the energy needed to carry out cellular functions?

They utilize the energy in sugar.

Sediments that are poorly sorted were most likely deposited by:

a glacier.

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. DiatomsChalkCoccolithophoresStromatolitesLimestone

diatoms

All continents fit together with the least number of overlaps and gaps when the continents are matched along ________.

edges at around 2,000 meters depth

Magnetic dip is directly related to ________ on the Earth.

latitude

what type of organism utilize photosynthesis

primary producers phyloplanltn autotrophs

The very earliest forms of life probably ________.

required an external food supply

Our world ocean can be divided into four principal oceans plus an additional ocean, based on the ________ of the ocean basins and the ________ of the continents. size: shape position; latitude shape; position depth; elevation

shape; position

Approximately how many active hotspots have been active within the last 10 million years?

100

Phosphorus-bearing compounds occur as coatings on rocks and as nodules on the continental shelf and on banks at depths shallower than ____

3300 feet

What is the average speed of sound in seawater?

4,945 feet per second