Test #4 Ch.16

World wide average salinity is______

3.5%

The concentration of dissolved solids in the seawater is called

Salinity

the destruction of a mangrove swamp might lead to

-the loss of aquatic species -the erosion of the coast -sediment accumulation one nearby reefs, and their consequent death

which of the following is true of the ocean deep zone?

-the water in this zone does not freeze because of the intense pressure exerted by the weight of overlying water -the water in this zone does not freeze because of its salinity

a coral is a type of _____ that secretes _____to form an organic rock home.

polyp; calcium carbonate

Waves in shallow water that "feel bottom" are ____ and more ____ spaced than the swell they are related to.

taller, closely

an Earthquake, submarine landslide, or eruption of undersea volcano is capable of producing a

tsunami

which of the following is not a depositional coastal landform?

wave-cut platform

which of the following is not related to coral rock formations?

bay barriers and barrier spits

Brine water results from

high evaporation rates

Brackish water would most likely occur

in a deltaic swamp

the height of a tsunami grows as it approaches a coastline primarily because

its wavelength shortens

a general term for the coastal environment is

littoral zone

which of the fllowing occurs when the sun, moon, and Earth are in alighnment (i.e.. in opposition or conjunction)?

maximum tidal ranges occur

about 2% of the oceanic mass comprise the

mixing zone of blended slutes and temperatures

because the algae which live in symbiotic relationship with coral perform _____, corals _____

photosynthesis; must live in water that is penetrated by light

which of the following is not an example of erosional coastal land-form?

tombolo

from inland to the ocean, which sequence of zones is correct?

Coast, backshore, foreshore, nearshore

Alhough many elements are dissolved in seawater; no gases are dissolved in it. T/F

False

As the evaporation rate increases, salinity decreases. T/F

False

Brine (salty) water tends to ocur near coastal deltas. T/F

False

Seawater is not a solution. T/F

False

the largest ocean in the world in terms of area is the ______ and the smallest ocean in terms of the area is ______

Pacific; Arctic

which of the following is incorrecly matched? *rising tides-flood tides *ebb tides- falling tides *spring tides-high tides only -spring tides-maximum tidal range

Spring tides-high tides only

the Moon's gravitational pull on the Earth is greater than that of the Sun's. T/F

True

a terrace is

an uplift wave-cut platform

coral formations

are made of animals living symbolically with simple algae

an atoll is approximately ____ in shape because it forms_____

circular; around submerged volcanic islands

Near the shore, waves of transition begin to "feel bottom" and, as a result, the orbits of the water molecules in the wave become more ____. The process eventually cause ____to form.

elliptical;Breakers

as regards wetlands; which of the following is correctly matched? *salt marsh-between the equator and the 30th parallel in both hemispheres *salt marsh- poleward of the 30th parallel in either hemisphere *mangrove swamps-poleward of the 30th parallel in either hemisphere *salt marsh-low productive due to salinity

salt marsh- poleward of the 30th parallel in either hemisphere

which of the following is not true of tides?

they are solely by the gravitational pull of the sun