Frage 1
Frage
The compensation depth of phytoplankton in the ocean is often assumed to coincide with light levels that are about _____ of those at the surface.
Frage 2
Frage
Net Primary Productivity is the amount of _________ fixed by photosynthesis that exceeds the respiration needs of a plant and goes into growth
Antworten
-
Glucose
-
Cellulose
-
Carbon
-
Oxygen
Frage 3
Frage
Compounds the contain Nitrogen, Silicon, and Phosphorous are called?
Antworten
-
Piconutrients
-
Macronutrients
-
Supernutrients
-
Micronutrients
Frage 4
Frage
What are the chemical substances that plants need to live, but only in very small quantities?
Antworten
-
Piconutrients
-
Supernutrients
-
Macronutrients
-
Micronutrients
Frage 5
Frage
Nutrients are regenerated in the ocean by
Antworten
-
Oxidation
-
Respiration
-
Bacterial decomposition
-
Photosynthesis
Frage 6
Frage
The most productive areas of the ocean are characterized by
Antworten
-
warm waters
-
eddies
-
upwelling
-
stagnant waters
Frage 7
Frage
Near surface waters off Peru are typically ____
Antworten
-
Cold and nutrient rich
-
Cold and nutrient poor
-
Warm and nutrient rich
-
Warm and nutrient poor
Frage 8
Frage
In an El Nino year, the near surface waters off Peru become ____
Antworten
-
Cold and nutrient rich
-
Cold and nutrient poor
-
Warm and nutrient rich
-
Warm and nutrient poor
Frage 9
Frage
Biological productivity in polar seas tends to be limited by
Antworten
-
Micronutrients
-
Nitrate availability
-
Temperature levels
-
Solar energy
Frage 10
Frage
Tropical waters are very clear and blue because of
Antworten
-
The absence of plant cells in the water
-
Lower salt content of the waters
-
The ability to reflect the sky better than cold waters
Frage 11
Frage
A triangular deposit of sediment at the mouth of a river is called a/an ___
Antworten
-
Offshore bar
-
Distributary
-
Salt Marsh
-
Delta
Frage 12
Frage
The delta plain is drained by a system of channels called _____
Antworten
-
Tributaries
-
Sills
-
Dikes
-
Distributaries
Frage 13
Frage
Which of the following lists of materials is listed in increasing order of resistance to erosion?
Antworten
-
Unconsolidated Sediment, Shale, Limestone, Granite
-
Shale, Unconsolidated Sediment, Limestone, Granite
-
Limestone, Unconsolidated Sediment, Granite, Shale
-
Shale, Limestone, Unconsolidated Sediment, Granite
Frage 14
Frage
A __________ delta is one where waves and tides are ineffective in rearranging river deposits
Antworten
-
River-Dominated
-
Wave-Dominated
-
Tide Dominated
Frage 15
Frage
The structure that is built to prevent or diminish sediment deposition at the mouth of a harbor is called a
Antworten
-
Jetty
-
Spit
-
Pier
-
Seawall
-
Groin
Frage 16
Frage
Structures that are built along eroding beaches to trap sand and artificially promote accretion are called ___
Antworten
-
Spits
-
Jetties
-
Seawalls
-
Piers
-
Groins
Frage 17
Frage
The structure that is built in front of harbors or shorelines to redirect wave energy away from the shoreline is a _____
Antworten
-
Seawall
-
Pier
-
Groin
-
Breakwater
-
Jetty
Frage 18
Frage
Structures that are built on shore, on the assumption that they protect beaches, roads, and bluffs, from erosion are called _____
Antworten
-
Groins
-
Seawalls
-
Jetties
-
Breakwaters
-
Piers
Frage 19
Frage
Beach nourishment relies on sand ____
Antworten
-
Dredged from offshore
-
Deposited by currents
-
Quarried on land
-
Both B and C
-
Both A and C
Frage 20
Frage
Which of the following was NOT a contributing factor of the devastation of Hurrricane Katrina in New Orleans?
Antworten
-
The land on which the city stands is sinking
-
Sea level is rising
-
The city's pump stations, levees, and flood walls were not strong enough
-
All of the above were contributing factors
-
None of the above were contributing factors
Frage 21
Frage
In rock form, the calcium carbonate of a coral reef is called ____
Antworten
-
Siltstone
-
Limestone
-
Shale
-
Sandstone
Frage 22
Frage
The coral animal is called a/an
Antworten
-
Amoeba
-
Polyp
-
Corallite
-
Anemone
Frage 23
Frage
The calcium carbonate exoskeleton of a coral animal is called a/an ____
Antworten
-
Theca
-
Sheath
-
Hypotheca
-
Corallite
Frage 24
Frage
The algae living in the tissue of coral animals is called ____
Antworten
-
Chrysophytes
-
Zooxanthellae
-
Thallasia
-
Rodophytes
Frage 25
Frage
The most accurate term for the relationship between coral and zooxanthellae is ____
Antworten
-
Commensalism
-
Parasitism
-
Symbiosis
-
Mutualism
Frage 26
Frage
Coral reefs require water temps of at least ___ degrees
Frage 27
Frage
Brain coral is well adapted to live on what section of the reef?
Antworten
-
Buttress Zone
-
Reef Terrace
-
Patch reef
-
Algal ridge
Frage 28
Frage
Reefs which form limestone shores around islands and the tropical areas of continents are called ___
Antworten
-
Reef Flats
-
Fringing reefs
-
Atolls
-
Barrier reefs
Frage 29
Frage
Reefs that are separated from land by a lagoon are called ____
Antworten
-
Atolls
-
Barrier reefs
-
Reef flats
-
Fringing reefs
Frage 30
Frage
Circular reefs surrounding a central lagoon are called _____
Antworten
-
Atolls
-
Barrier reefs
-
Fringing reefs
-
Reef flats
Frage 31
Frage
On average, the efficiency of trophic transfers is ______
Frage 32
Frage
Primary producers are called _____
Antworten
-
Heterotrophs
-
Autotrophs
-
Mesotrophs
-
Plants
Frage 33
Frage
Which of the following are primary producers?
Antworten
-
Plants
-
Herbivores
-
Omnivores
-
Decomposers
Frage 34
Frage
What would be found at the third trophic level or higher?
Antworten
-
Plants
-
Carnivores
-
Herbivores
-
Detritus Feeders
Frage 35
Frage
A food web consists of a system of interconnected _____
Antworten
-
Animal Species
-
Plant Species
-
Currents
-
Food Chains
Frage 36
Frage
Bacteria would generally be listed as ______
Antworten
-
Carnivores
-
Omnivores
-
Decomposers
-
Herbivores
Frage 37
Frage
Which of the following is typically a grazer?
Antworten
-
Shark
-
Barnacles
-
Copepod
-
Coral Polyp
Frage 38
Frage
The size of the population of any organism is usually a direct function of its _____ supply
Antworten
-
Oxygen
-
Carbon Dioxide
-
Food
-
Habitat
Frage 39
Frage
Bacteria which can live without free oxygen are called what?
Antworten
-
Oxidized
-
Anaerobic
-
Decomposers
-
Aerobic
Frage 40
Frage
Which of the following is a primary factor limiting plant growth?
Antworten
-
Nutrient concentrations
-
Upwelling and turbulence
-
Turbidity
-
Grazing intensity
Frage 41
Frage
The two elements that typically limit productivity of ecosystems are Nitrogen and what?
Antworten
-
Carbon
-
Phosphorous
-
Sodium
-
Iron
Frage 42
Frage
Productivity in tropical oceans is
Frage 43
Frage
Productivity in polar oceans is
Frage 44
Frage
Which regions produce the majority of the world's fish?
Antworten
-
embayment; coastal
-
coastal; downwelling
-
coastal; upwelling
-
polar; downwelling
Frage 45
Frage
Tropical oceans are infertile because the ___ of the region inhibits mixing of the water column
Antworten
-
Permanent thermocline
-
Permanent halocline
-
Permanent pycnocline
-
High rainfall
Frage 46
Frage
The spring diatom bloom of temperate ocean waters occurs in response to increasing levels of what?
Antworten
-
Nutrients
-
Cool water
-
Light
-
Upwelling
Frage 47
Frage
The waters adjacent to Peru are an area of coastal what?
Antworten
-
Upwelling
-
Downwelling
-
Turbulence
Frage 48
Frage
The eastern South Pacific normally experiences
Antworten
-
Low P and wet weather
-
Low P and dry weather
-
High P and wet weather
-
High P and dry weather
Frage 49
Frage
The western South Pacific normally experiences
Antworten
-
Low P and wet weather
-
Low P and dry weather
-
High P and wet weather
-
High P and dry weather
Frage 50
Frage
Weakening of winds, Cessation of Upwelling off Peru, and rain in western S. America signify
Antworten
-
Normal conditions
-
El Nino conditions
-
La Nina conditions
Frage 51
Frage
Intensified trade winds, Strong upwelling off Peru, and cool water temps across the pacific signify
Antworten
-
Normal conditions
-
El Nino conditions
-
La Nina conditions
Frage 52
Frage
Most of the energy that reshapes beaches comes from
Antworten
-
Tidal action
-
Sea level changes
-
Storm surges
-
Breaking waves
Frage 53
Frage
Currents in the surf zone that flow parallel to shore are called
Antworten
-
Rip
-
Longshore
-
Nearshore
-
Refraction
Frage 54
Frage
The open water seaward of the breaker zone is called
Antworten
-
Offshore zone
-
Swash zone
-
Backshore zone
-
Surf zone
Frage 55
Frage
A submarine deposit of sand that is parallel to the shore is called
Antworten
-
Berm
-
Groin
-
Washover fan
-
Longshore bar
Frage 56
Frage
A beach profile characterized by a broad berm and a steep beach face is called a/an
Antworten
-
Fjord
-
Estuary
-
Storm
-
Swell
Frage 57
Frage
During a storm, the average grain size of sand on a beach _____
Antworten
-
Increases
-
Decreases
-
Stays the same
Frage 58
Frage
Sand input to a beach can be caused by
Frage 59
Frage
Sand removal is caused by
Frage 60
Frage
Sand is permanently lost off of Southern California by being transported to
Antworten
-
Deep sea trenches
-
Hydrothermal vents
-
Submarine canyons
-
Mexico
Frage 61
Frage
The most important role of sand dune vegetation is
Antworten
-
Photosynthesis, provide food for beach grazers
-
Bring water nearer to surface via roots
-
Stabilize the sand dunes
-
Provide microhabitats for small organisms