Marine Bio Test #1

Front 1

Seasonal temperature changes in the ocean are the greatest in

Back 1

Termperate surface waters

Front 2

The two factors that most affect seawater density are

Back 2

temperature and salinity

Front 3

Which of the following colors of light reaches the greatest depth in the ocean before being completely absorbed

Back 3

blue

Front 4

in the temperate zone, toward the end of spring

Back 4

The thermocline increases

Front 5

Marine Snow

Back 5

Is found throughout the ocean water column

Front 6

One experiment discussed in class examined the significance of different reef habitat compositions on the species richnss of fish populations: which aspect of reef structure was found to be most significant in determining high species richness

Back 6

the rugosity of the habitat

Front 7

Because of the Coriolis effect, a water current moving in the northern hemisphere will tend to ________ as it moves along its course

Back 7

Curve to the right

Front 8

Vents and cold seeps depend on primary production generated by_______

Back 8

Chemosynthetic bacteria

Front 9

For phytoplankton

Back 9

Chlorophyll and other light-harvesting pigments collectively capture a wide spectrum of visible light

Front 10

Zooplankton grazing

Back 10

*is not required for a spring diatom bloom to end
*may produce alternate areas of abundant and less abundant phytoplankton
*can fail to increase beyond an upper limit determined by phytoplankton cell concentration

Front 11

Primary production in the sea

Back 11

is lowest in tropical surface waters

Front 12

The oxygen minimum zone generally falls to its lowest value at which one of the following dpeths

Back 12

200-1,000m

Front 13

Phytoplankton comprise the ______ trophic level of virtually all marine food webs

Back 13

First

Front 14

In waters that are thermally stratified, the upper water layer is _____ than the lower layers

Back 14

Less Dense

Front 15

The compensation depth is that depth in the water column where ______

Back 15

Rate of photosynthesis of an organism=rate of respiration of that organism

Front 16

Benthic species with plankton larvae

Back 16

have broader biogeographic ranges than species with nonplanktonic larvae

Front 17

The process by which deep water is brought to the surface is called______-

Back 17

upwelling

Front 18

Planktonic organisms are usually

Back 18

Found near the surface during the day and at depth at night

Front 19

In the rocky intertidal zone, which of the following resources is most often in limited supply

Back 19

Space

Front 20

suspension feeders do badly in mud because of

Back 20

high turbidity near the sediment-water interfeace