Deck 3: Life in Water

Question 1

The turnover time for atmospheric water is

A) days to weeks.
B) months to years.
C) years to decades.
D) decades to centuries.
E) centuries to millennia.

Answer 1

A

Question 2

The effects of currents in streams include all of the following EXCEPT

A) organism size.
B) organism shape.
C) organism behavior.
D) oxygen content.
E) None of the choices are correct.

Answer 2

E

Question 3

Aquatic organisms located off the ocean floor are

A) benthic.
B) pelagic.
C) neritic.
D) littoral.
E) None of the choices are correct.

Answer 3

B

Question 4

The timing and extent of tides are a function of all of the following except

A) the moon's gravitational force.
B) the sun's gravitational force.
C) geography.
D) the size of the body of water.
E) salinity levels.

Question 5

Which of the following vertical aquatic zones is correctly ordered?

A) Bathypelagic, mesopelagic, epipelagic, abyssal, hadal
B) Epipelagic, mesopelagic, bathypelagic, abyssal, hadal
C) Abyssal, bathypelagic, hadal, mesopelagic, epipelagic
D) Epipelagic, bathypelagic, mesopelagic, hadal, abyssal
E) Mesopelagic, abyssal, epipelagic, hadal, bathypelagic

Question 6

All of the following statements are true concerning temperate lakes except

A) fall and spring turnovers involve vertical mixing of temperature stratified waters.
B) during fall and spring turnover, the oxygen rich hypolimnion moves up to the epilimnion.
C) during late fall and early spring, a temperate lake has a uniform water temperature.
D) during the year, the hypolimnion's temperature does not change.
E) fall and spring turnovers involve the wind.

Question 7

All of the following statements concerning the hydrologic cycle are true except

A) it is powered by solar energy.
B) flux is determined by evaporation.
C) transpiration is not involved.
D) reservoirs include lakes, rivers, oceans, and ice.
E) none of the choices are correct.

Question 8

A salt marsh is the junction between ________ and ________.

A) sea; land
B) river; sea
C) land; river
D) estuary; land
E) mangrove; sea

Question 9

What percentage of the earth's water supply is freshwater in rivers, lakes, and actively exchanged groundwater?

A) 97%
B) 71%
C) 2%
D) <1%
E) None of the choices are correct.

Question 10

All of the following statements concerning oligotrophic lakes are true except

A) warm temperatures.
B) low nutrients.
C) high oxygen content.
D) deep and clear waters.
E) low biological productivity.

Question 11

The Great Lakes are troubled with invasive species. Which of the following aquatic organisms is considered invasive?

A) Zebra mussels
B) Trout
C) Darters
D) All of the choices are considered invasive.
E) None of the choices are considered invasive.

Question 12

Small head streams can be characterized by all of the following components except

A) energy source CPOM.
B) clear.
C) low oxygen content.
D) cool.
E) None of the choices are correct.

Question 13

According to the river continuum, the main energy source for

A) small head streams is CPOM.
B) small head streams is FPOM.
C) small head streams is phytoplankton.
D) large rivers is phytoplankton.
E) large rivers is CPOM.

Question 14

Which of the following rivers would have the highest salinity?

A) Columbia River
B) Rio Negro
C) Pecos
D) They all have equally low salinity levels.
E) They all have equally high salinity levels.

Question 15

Of the following aquatic environments, which has the highest productivity?

A) Lakes
B) Rivers
C) Oceanic zone
D) Intertidal zone
E) Coral reefs

Question 16

Which of the following river dimension definitions is/are incorrect?

A) Active channel: riparian zone with seasonal flooding
B) Wetted channel: water-laden year around
C) Riffle: current of water
D) Phreatic zone: transition from riparian to water column
E) Hyporheic zone: transition between surface water and ground water

Question 17

Which is not considered a reef?

A) Atoll
B) Barrier
C) Kelp
D) Fringing
E) None of the choices are correct.

Question 18

Typically a shallow lake with large quantities of nutrients, high primary productivity, and large phytoplankton populations is ________ in color.

A) deep blue
B) deep green
C) yellow
D) brown
E) red

Question 19

Eutrophic lakes are characterized by

A) high oxygen content.
B) cool temperatures.
C) high nutrient levels.
D) deep and clear waters.
E) low biological productivity.

Question 20

Oceanic water circulation systems are termed

A) upwellings.
B) atolls.
C) ebbs.
D) gyres.
E) pulses.

Question 21

When calculating the Index of Biological Diversity, a high proportion of carnivores would indicate low environmental quality.

Question 22

Limnetic spring and fall turnovers bring oxygen-poor water to the hypolimnion and nutrient-rich water to the epilimnion.

Question 23

The benthic portion of eutrophic lakes can become ________.

Question 24

Oceanic upwellings bring nutrient rich waters to the west coast of South America.

Question 25

All of the following are characteristics of fish communities used in the Index of Biological Diversity except

A) species composition.
B) trophic composition.
C) fish abundance.
D) fish scale coloration.

Question 26

The oceans are the largest water reservoir on the planet.

Question 27

Estuaries are junctions between rivers and lakes.

Question 28

The most significant photosynthetic inhabitants of the upper epipelagic zone of the open ocean are

A) phytoplankton.
B) zooplankton.
C) kelp.
D) coral.
E) zooxanthellae.

Question 29

Estuary waters are often stratified by salinity with ________ flowing over the top of ________.

A) higher salinity river water; lower salinity ocean water
B) lower salinity river water; higher salinity ocean water
C) higher salinity ocean water; lower salinity river water
D) lower salinity ocean water; higher salinity river water
E) higher salinity ocean water; zero salinity river water

Question 30

In temperate lakes, fall blooms are occasionally followed by fish kills.

Question 31

Limnetic thermoclines are located in the ________ zone.

Question 32

Gyres move to the left in the Northern Hemisphere and to the right in the Southern Hemisphere.

Question 33

The male of the deep-sea anglerfish species is reduced to a parasitic appendage of the female.

Question 34

Bottom dwelling aquatic organisms are called ________.

Question 35

Human impact on the oceans has always been greater than on other parts of the biosphere.

Question 36

Which of the following is the correct order of the major ocean basins from largest to the smallest?

A) Atlantic, Pacific, Indian
B) Indian, Atlantic, Pacific
C) Pacific, Indian, Atlantic
D) Pacific, Atlantic, Indian
E) None of the choices are correct; all three ocean basins are of equal size

Question 37

Which of the following properties is considered a major physical difference between air and water?

A) Heat conduction
B) Light penetration
C) Density
D) All of the answer choices are correct.

Question 38

Oxygen is a major limiting factor in the distribution of intertidal organisms.

Question 39

This molecule is ubiquitous on land but limiting in water and thus, can exert a selective force on aquatic systems.