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Marine Science Exam Review Questions and Answers
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Marine Science Exam Review Questions and Answers
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Marine Science Exam Review Questionsand Answers
Marine Science - Answer -Process of discovering facts, processes, & unifying principles
that explain nature of oceans & their associated life forms.; Involves physical, life &
earth/space science
How much of the oceans have humans seen? - Answer -Very little of the ocean; about
the size of a period on a page
Who made the first recorded sea voyage? - Answer -The Egyptians
What did the Phoenicians do for marine science? - Answer -Established first trade
routes through mediterranean
earliest known regular open-seafaring beyond sight of land
Greek Pytheas - Answer -Used North Star to determine how far north or south sailor is
on ocean
Eratosthenes - Answer -Created first latitude/longitude system
Calculated Earth's circumference
Latitude and Longitude - Answer -Identifies specific locations on Earth's surface
Latitude - Answer -parallel
equator is 0 degrees parallel
Longitude - Answer -Meridian
0 degrees meridian runs through Greenwich, England
Chinese ships in 1400s - Answer -Central rudder
watertight compartments
Vespucci - Answer -First European explorer to recognize South America as new
continent
Balboa - Answer -Crossed Isthmus of Panama & found Pacific Ocean
Magellan - Answer -Led first expedition around world in 1519-1522
, James Cook - Answer -voyages differ from other sea explores because he had science
and exploration as only goals
Darwin's hypothesis - Answer -explains that coral reefs form though process of coral
growth as seafloor subsides/sinks
Challenger Expedition - Answer -first expedition devoted entirely to marine science
German Meteor Expedition - Answer -Mapped Atlantic seafloor
Atlantis - Answer -first ship constructed specifically for marine science
ROV - Answer -Remotely operated vehicle
Small, unmanned, sub w/ propellers, video camera and umbilical to surface
AUV - Answer -Autonomous underwater vehicle
Untethered robotic devices propelled through water by self-contained power systems&
controlled/piloted by onboard computer
GPS - Answer -made navigation significant;y more accurate
Theory of formation of planets - Answer -Some condensing gas revolving around sun
collapsed into masses too small to become stars
Theory of moon's origin - Answer -planet-sized object struck young Earth, sending
material into orbit
Theory of Formation of oceans - Answer -after earth cooled, water accumulated on
surface
Autotroph - Answer -Self-feeding
Heterotroph - Answer -Must get NRG from other organisms
Theory of evolution - Answer -says modern organisms and characterisitcs arose
through processes of mutation and natural selection over millions of years
Benthic Zone - Answer -botton
Abyssal zone - Answer -Deep open ocean bottom
Pelagic zone - Answer -water portion
Intertidal zone - Answer -continental shelf
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