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APES Ch8 Aquatic Biodiversity Flashcards | StudBud
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APES Ch8 Aquatic Biodiversity
APES Ch8 Aquatic Biodiversity
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APES Chapter 8
Flashcards
33 cards
F
Practice quiz
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Host live
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Questions
33
Answers
1
All of the following degrade coral reefs except...
decreasing ocean acidity
increase water temperature
increase in coastal development
silt runoff increasing turbidity
2
Entirely in the euphotic zone, coastal zones include all of the following except...
coral reefs
mangrove forests
abyss
estuaries
3
Which of the following is an economic service provided by coral reefs?
act as natural barriers protecting coastlines
provides habitats for 25% of marine species
supports fishing and tourism businesses
moderates atmospheric temperatures by removing CO2
4
All of the following are major threats to marine systems except...
coastal development
regulation of CO2 emissions
introduction of invasive species
overfishing
5
Saltwater makes up
3
/
4
of Earth's surface. Which of the following is NOT a major ocean?
Northern Ocean
Indian Ocean
Arctic Ocean
Southern Ocean
6
All of the following are true regarding the open sea except...
contains the intertidal zone & ends at the continental shelf
absorbs CO2 and helps climate moderation
three major zones are euphotic, bathyal, and abyssal zones
low NPP per unit area, but high total productivity overall
7
________systems cover 2.2 % of the Earth's surface.
saltwater
freshwater
marine
ice/frozen
8
Which of the following is correctly matched?
flowing water = lakes
standing water = lentic
standing water = lotic
flowing water = ponds
9
What two nutrients can produce excessive algal growth when introduced in large quantities?
phosphates and carbon dioxide
nitrates and phosphates
sodium chloride and nitrates
carbon dioxide and sodium chloride
10
Correctly list the layers of a freshwater system based on depth starting at the top?
benthic, profundal, limnetic
limnetic, profundal, benthic
profundal, limnetic, benthic
limnetic, benthic, profundal
11
Which of the following descriptions is correctly matched with the correct type of plankton?
phytoplankton - many types of photosynthetic algae
phytoplankton - small photosynthetic bacteria
ultraplankton - single-celled protozoa & large invertebrates
zooplankton - about 70% of ocean primary productivity
12
Lakes that have a small supply of plant nutrients & low NPP and are deep with steep banks.
mesotrophic lakes
eutrophic lakes
oligotrophic lakes
hypereutrophic lakes
13
Chesapeake Bay, the largest US estuary, is in trouble. What is NOT a reason for its troubles?
increased human population in surrounding area
phosphate and nitrate levels high from runoff
1983 legislation to reduce pollution into the Bay
point and nonpoint source pollution
14
Natural protection against storms is provided by all of the following except
levees
coastal deltas
mangrove forests
coastal wetlands
15
Oceans, coral reefs, mangroves, lakes, and rivers play vital roles in the following except...
biogeochemical cycles
UV radiation protection
climate moderation
biological productivity
16
Inland wetlands play all the following important economic and ecological roles except...
food and timber
increasing flooding and erosion
filtering toxic waste and pollutants
providing habitats for a variety of species
17
Which of the following are nekton organisms?
turtles and whales
oysters and crabs
bacteria and fungi
lobsters and clams
18
Surface water becomes _____ that flows into streams.
runoff
salt water
groundwater
precipitation
19
Inland wetland losses in the United States are due to all of the following except...
coral reef destruction
urban development and building highways
growing crops & oil and gas extraction
mining and forestry
20
Which of the following is an ecological service provided by a freshwater system?
recreation
hydroelectricity
groundwater recharge
drinking water
21
Coral reefs are the result of a mutualistic relationship. What two organisms are they?
coral polyps and algae
coral sea stars and aquatic plants
coral jellyfish and photosynthetic bacteria
coral algae and plankton
22
Freshwater aquatic life zones have dissolvedsalt concentrations of less than ____ by volume.
2%
1%
1.5%
0.5%
23
A ____ is the land area that delivers runoff, sediment, and dissolved substances to a stream.
mesotrophic lake
coastal wetland
watershed
wetland
24
What terrestrial biome can be compared to coral reefs in terms of biodiversity?
tundra
tropical rain forest
desert
savanna
25
Which of the following is NOT a major life zone in a marine system?
open sea
lotic system
coastal
ocean bottom
26
As water flows downhill, what three zones does it flow through from highest elevation to lowest
transition zone, source zone, floodplain zone
source zone, transition zone, floodplain zone
floodplain zone, source zone, transition zone
transition zone, floodplain zone, source zone
27
The ocean cover 71% of the earth's surface and is a ______ for CO
2
used for photosynthesis.
sink
storage place
reservoir
holder
28
The concentration of mainly sodium chloride (NaCl) defines which of the following terms?
DO (Dissolved Oxygen)
Salinity
Turbidity
Chlorinity
29
Which of the following is
not
true regarding the coastal zone?
breeding areas for waterfowl and shorebirds
High amount of net primary productivity
lack of biodiversity
sites of most commercial fisheries
30
Hurricane Katrina devasted _____ on August 29, 2005 when the levee broke.
Tampa, FL
Corpus Christi, TX
Jacksonville, FL
New Orleans, LA
31
Which of the following are NOT limiting factors for aquatic organisms?
nutrients and food availability
sunlight and temperature
turbidity and dissolved oxygen
humidity and coastal shorelines
32
Deep temperate-zone lakes show thermal stratification. ____ mixes the layers & redistributes O
2
lake upwellings in fall and spring
lake turnover in fall and spring
lake upwellings in summer and winter
lake turnover in summer and winter
33
Primary and secondary dunes on gently sloping sandy barrier beaches protect land from _____.
erosion by the sea
algal blooms
eutrophication
global warming
