Scl #2 Ocean Beach Hw, Terms Table And Ticket Flash Quiz
.
- 1.The kind of sediment deposited in shoreline habitats depends on:
- A.
Estuary deposits
- B.
Tidal amplitude
- C.
Water turbulence
- D.
Coastal plain migration
- 2.What is a berm and where is it found?
- A.
The back dune end of the supratidal zone
- B.
The movement of sand offshore during a storm
- C.
The supratidal ledge of sand at the high tide line
- D.
The edge of the swash (shoreface where waves break) zone
- 3.What is the average salinity of the ocean?
- A.
35 ppt
- B.
55 ppt
- C.
15 ppt
- D.
25 ppt
- 4.What kind of sediment settle in the sound?
- A.
Fine silt
- B.
Loam
- C.
Coarse sand
- D.
Clay
- 5.What kind of sediments settle on the ocean beach?
- A.
Silt
- B.
Gravel
- C.
Coarse sand
- D.
Clay
- 6.Ocean beach habitats have three distinct zones:
- A.
The subtidal zone of crashing breakers with swirling sand and shallow water; the intertidal zone, alternately covered and exposed by tidal waters; and the dry, sandy supratidal zone extending to the base of the sand dunes.
- B.
The ocean zone of crashing breakers with swirling sand and shallow water; the salt marsh zone, alternately covered and exposed by tidal waters; and the dry, sandy sand dune zone extending to the base of the sand dunes.
- C.
The shoreface zone of crashing breakers with swirling sand and shallow water; the intertidal zone, alternately covered and exposed by tidal waters; and the dry, sandy subtidal zone extending to the base of the sand dunes.
- D.
The supratidal zone of crashing breakers with swirling sand and shallow water; the intertidal zone, alternately covered and exposed by tidal waters; and the dry, sandy subtidal zone extending to the base of the sand dunes.
- 7.Oxygen is plentiful in the ocean beach habitat because of which three factors:
- A.
Wind coming off the ocean, the presence of water coming in with the tides and in the space between the sand sediment.
- B.
The presence of water coming in with the tides, salt spray and plants.
- C.
The wind coming off the ocean, salt spray and plants.
- D.
The wind coming off the ocean, the presence of water coming in with the tides and plants.
- 8.Debris and detritus are deposited ___________________
- A.
At the high tide line.
- B.
At the shoreline.
- C.
Along the shoreface.
- D.
In the intertidal zone.
- 9.Phytoplankton are_______________________
- A.
Free floating microscopic plants that are the basis of the marine food chain.
- B.
Free floating microscopic animals that are the basis of the marine food chain.
- C.
Free floating microscopic scavengers that support the marine food chain.
- D.
Diatoms that cause red tide and are toxic to the marine food chain.
- 10.Intertidal beach life is nourished largely by _______________ brought in by ____________.
- A.
Plankton, tides.
- B.
Zooplankton, waves.
- C.
Phytoplankton, waves.
- D.
Plankton, waves.
- 11.Most supratidal animals are ____________ that feed on debris and detritus along the strand line.
- A.
Scavengers
- B.
Decomposers
- C.
Producers
- D.
Herbivores
- 12.Bottom dwellers like sand dollars, urchins and starfish are unable to swim and so they move along the sandy substrate by:
- A.
Hundreds of minute tubelike "feet".
- B.
Jet propulsion, like scallops, taking water in through their gills and jetting it out to move.
- C.
By releasing a whip-like tail that whips back and forth to propel them.
- D.
They do not move, like oysters they are immobile.
- 13.What is a gastropod?
- A.
A gastropod is a mollusk that has one shell. It is a marine snail.
- B.
A gastropod is a mollusk that has two shells it is a bivalve or pelecypod with a strong muscular foot.
- C.
A gastropod is a mollusk that attaches itself to hard substrate to survive.
- D.
A gastropod is a mollusk that has an internal shell like a squid.
- 14.Identify a key adaptation of the mole crab and coquina clam for living in the in the ocean beach intertidal zone:
- A.
Both organisms burrow rapidly into the sand. The coquina clam burrows as a wave recedes. The mole card burrows backward each time a wave advances.
- B.
Both organisms ride the surf to avoid the receding or advancing waves.
- C.
Both organisms hibernate to avoid the receding or advancing waves.
- D.
Though born on the ocean side of the barrier island, both organisms move to the sound to avoid the receding or advancing waves.
- 15.Strong winds effect the ocean beach habitat. Strong winds (of at least 10 mph) cause fine sand particles to bounce and mound into piles this is called:
- A.
Saltation.
- B.
Transpiration.
- C.
Ocean waves.
- D.
Mineralization.
- 16.Coarse sand settles in the intertidal zone because:
- A.
Turbulent ocean waves can carry coarse sediment and deposit it on the shoreline.
- B.
Turbulent ocean tides can carry coarse sediment and deposit it on the shoreline.
- C.
Gentle sound waves deposit coarse sediment in the ebb tidal deltas.
- D.
The longshore current carries coarse sediment to the shore.
- 17.Tides- the daily cycle of 2 high and 2 low tidal flow of water onto and into a low lying shore area caused by the:
- A.
Moon and sun’s gravitational pull on Earth.
- B.
Moon's gravitational pull on Earth.
- C.
Sun’s gravitational pull on Earth.
- D.
The oceans wave energy.
- 18.Ghost crabs are unique organisms that live in deep tunnels with front and back entrances. They rarely leave their burrow during the day. Though they live in the dunes, the female deposits eggs in the ocean and the young develop there. How do ghost crabs breathe?
- A.
Ghost crabs breathe through gills which must be wet with ocean water daily.
- B.
Once ghost crabs come on land, they breathe air.
- C.
Ghost crabs breathe both air and water because they were born in the ocean and as adults live in the supratidal zone.
- D.
Ghost crabs breathe air only. As young in the ocean they came to the surface for air and continued to do so when moving to the supratidal zone.
- 19.Which gastropod has a radula? What is a radula used for?
- A.
An olive shell has a radula. It is used to drill into a pelecypod (bivalve) which is its prey.
- B.
An auger shell has a radula. It is used to drill into a pelecypod (bivalve) which is its prey.
- C.
A whelk has a radula. It is used to drill into a pelecypod (bivalve) which is its prey.
- D.
A clam has a radula. It is used to drill into another pelecypod (bivalve) which is its prey.
- 20.The action of ____________________ sweeps larger shell particles and sand across the substrate surface, sometimes causing abrasions or burying plants and animals.
- A.
Waves
- B.
Tides
- C.
Longshore current
- D.
Winds
- 21.What does the word "phytoplankton" mean?
- A.
Plant wanderer
- B.
Animal wanderer
- C.
Light wanderer
- D.
Algae wanderer
- 22.What is a pelecypod?
- A.
A bivalve: two shelled organism
- B.
A univalve: a single shelled organism, like a sea snail
- C.
A arthropod: having segmented jointed appendages
- D.
A cephalopod mollusk
- 23.What prevents organisms that need to attach from grabbing and getting a hold at the ocean beach subtidal and intertidal habitat?
- A.
Shifting sands
- B.
Longshore current
- C.
Rip currents
- D.
Tide changes
- 24.Why do supra tidal organisms dig burrows in the sand?
- A.
Supra tidal organisms burrow to avoid extreme temperatures and dry conditions on the surface.
- B.
Supra tidal organisms burrow to avoid predators
- C.
Supra tidal organisms burrow to eat bacteria that are in the sand below the surface
- D.
Supra tidal organisms burrow to prey on other burrowing organisms
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