Deck 3: Life in Water

Question 1

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.

Answer 1

C

Question 2

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.

Answer 2

A

Question 3

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

A) lakes
B) rivers
C) oceanic zone
D) intertidal zone
E) coral reefs

Answer 3

E

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 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 6

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 7

Oceanic water circulation systems are termed

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

Question 8

Which is not considered a reef?

A) atoll
B) barrier
C) kelp
D) fringing
E) None of the choices are correct.

Question 9

A marsh is the junction between ________________ and _________________.

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

Question 10

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 11

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 12

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 13

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.

Question 14

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 15

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 16

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 17

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.

Question 18

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 19

Aquatic organisms located off the ocean floor are

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

Question 20

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 21

Determine the sample median given the following data:

A) 8.5g
B) 10.0g
C) 9.0g
D) 11.0g
E) 12.5g

Question 22

Estuaries are junctions between rivers and lakes.

Question 23

Limnetic thermoclines are located in the _______________ zone.

Question 24

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 25

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 26

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

Question 27

The oceans are the largest water reservoir on the planet.

Question 28

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

Question 29

Bottom dwelling aquatic organisms are called _______________.

Question 30

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

Question 31

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

Question 32

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 33

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

Question 34

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

Question 35

The benthic portion of eutrophic lakes can become _______________.