Oceanography Midterm Review Question Preview (ID: 40306)


Oceanography Semester 1 Exam Review. TEACHERS: click here for quick copy question ID numbers.

The process of calculating one's current position by using a previously determined position, or fix, and advancing that position based upon known or estimated speeds over elapsed time and course is known as-
a) Dead Reckoning
b) Live Reckoning
c) Celestial Navigation
d) Taking a Reading

How large was the area that the Polynesians settled?
a) 40,000,000 km2
b) 120,000,000 km2
c) 140,000,000 km2
d) 400,000,000 km2

The Longitude Act of 1714 was created due to a disaster where the British lost an entire fleet of ships due to which navigational tool being read wrong?
a) Sextant
b) Octant
c) Clock
d) Compass

A 300 mile “dead zone” now extends into the Gulf of Mexico where the Mississippi River enters at New Orleans. This is most probably caused by —
a) global warming
b) the toxic runoff
c) the recent hurricanes
d) an algal bloom

Populations of most oceanic fish have decreased over 90% in the last 100 years due to —
a) degradation of habitat
b) overfishing by human populations
c) nuclear power plant emissions
d) Carbon Dioxide emissions

What is making the Shad’s migratory movement difficult?
a) Dead zones
b) Dams
c) Lack of food
d) Pollution

Which of these is a producer?
a) Algae
b) Oysters
c) Veined Rapa Whelk
d) Nutria

Which of these is not an invasive species in the Bay?
a) Mitten Crab
b) Striped Bass
c) Flathead Catfish
d) Snakehead Fish

Which two diseases are harming Oysters in the Bay?
a) MSX and Dermo
b) Lyme and Chickenpox
c) Black Spot Disease and Shell Rot
d) Dropsy and Enteric Flesh Rot

This invasive species can eats 25% of its weight in one day
a) Oysters
b) Ospreys
c) Snakehead Fish
d) Nutria

Which commercial fishery has been virtually lost in the Chesapeake Bay?
a) Crabs
b) Oysters
c) Menhaden
d) Shad

In 2008, poultry farms located just on the Delmarva Peninsula produced how much manure?
a) 100,000 pounds
b) 1.5 million pounds
c) 150 million pounds
d) 1.5 billion pounds

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