Questions 18

What are the tall precipitate piles of minerals found near hydrothermal vents called?

What type of worm is a beard worm?

What percentage of the ocean is abyssal plain?

What ocean feature makes up the second most abundant part of the ocean floor at 30%?

What is the depth of the photic zone in the tropics?

What is the term for fish and other animals that can control their internal salinity?

Salmon drink constantly to obtain water and chloride cells do what to make this possible?

What is the layer above the thermocline called?

What is the depth of the upper mixed layer?

Which layer of water contains the largest volume of water?

What is another term for homeothermic?

In terms of pressure, temperature, and salinity what water is the least dense?

Which factor has the most effect on dissolved oxygen in the ocean?

Animal feces and decomposition add what three needed nutrients to the water?

Where is lack of nitrogen most likely to be a limiting factor?

At what degrees of latitude does air sink?

At what degrees of latitude does air rise?

At the horse latitudes is air rising or falling?

At what degrees of latitude would you expect a westerly wind?

What three factors play the predominant role in currents direction and gyres forming?

Give four adjectives to describe western boundary currents.

What is the area of calm in the center of the North Atlantic Gyre?

How many centuries does a cycle of the thermohaline circulation take?

Near what island group is the el nino usually centered?

What current ends up bringing up cold water from the south pole region to end el nino.

What type of wave is caused by the slosh back from the buildup of water on the western side of the pacific due to el nino

In 1982-3 el nino, how much did some area’s surface water warm up in farenheit?

What happens to the strength of the thermocline during el nino?

How many tectonic plates are there?

How long ago did Pangaea form?

What are the three types of islands?

Andesitic rock made of continental and oceanic crust is found at which one of these types of islands?

What area of the ocean has the least thermocline?

How many phytoplankton blooms would you expect in temperate zones of the ocean?

What is the limiting factor to keep phytoplankton in temperate zones from blooming in the summer?

What is the limiting factor to keep phytoplankton in temperate zones from blooming in the winter?

How do diatoms increase their buoyancy?

How do sharks increase their buoyancy?

How do jellyfish increase their buoyancy?

What organism has a siphuncle?

What is the outpocketing of the esophagus in fish that allows them to float?

What is the classic example of a catadromous fish?

What is the latitude limit for marine turtles?

What whale migrates from the bering sea along the coast of California baha?

How do humpback whales concentrate their prey before eating?

What whale recently broke the record for a deep sea dive at 6,230 feet for 85 min?

Answers

Chimneys

Tube worm found in deep sea with symbiotic bacteria

50%

Mid ocean ridges and rises

200m

Osmotic regulators

Secrete excess salt

Upper mixed layer

200m

Deep water or bottom water

Warm blooded

Low pressure, warm water, with low salinity

Photosynthesis (air contact has minimal addition to this)

Phosphorus, potassium, and nitrogen

Surface water

Sinks at 30 and 90 North and South

Rises at 0 and 60 North and south

Air is sinking (30 degrees)

30-60 degrees Westerlies

Coriolis effect, wind, land mass obstructions

Narrow, deep, fast, and warm

Sargasso sea

4

Galapagos islands

Peru or Humboldt

Kelvin wave

30 F

It increases thus preventing upwelling so no nutrients and really hot water that can’t mix

12

200 million years

Continental(used to part of continent=Greenland), oceanic (hot spot/plate boundary), island arc (continental side of trench)

Island arc

Polar areas

Two blooms (fall and spring)

Spines

Increased fat

Reduced muscle mass which is dense

Nautilus (used for filling chambers with air to rise up at night)

Swim bladder

Anguilla eel in the Sargasso sea

35N or 35S

Gray whale and humpback whale (both have young in the warm waters of baha)

Bubble curtains or bubble nets

Cuvier’s beaked whale