Marine Biology Exam Questions and Answers |Complete Solutions Graded A+|100% Correct
What protein produces bioluminescence? Luciferin
Bioluminescent patterns can indicate: a.species.
b.hunting strategies.
c.all of these choices.
d.gender.
What characteristics do many deep-sea fish have regarding their eyes? They have tubular
shaped eyes and two retinas.
Some deepwater fish like the anglerfish have solved the issue of finding a mate by: having
the males attach to the females.
________ allow(s) for surface feeding and the introduction of more food to the deep depths.
Vertical migration
What fleshy projection is an adaptation some fish have to lure prey in? Barbel
What is a possible reason deep-sea animals can be much larger than their surface relatives?
They have a longer lifespan.
What is a major predator of giant squids? Sperm whales
What organism gave biologists essential clues into the evolution of tetrapods? Coelacanth
What environmental factor seems to have the most impact on deep-sea, benthic organisms?
Food availability
,What process delivers organic nutrients to abyssal plains and trenches near continental
shelves? Turbidity currents
Black smokers are rich in ________, while white smokers have high levels of ________.
copper sulfide; zinc sulfide
How long are active vents thought to last? 20 years
What do Riftia worms lack that makes them different than other worms? A digestive system
How much plastic enters the ocean each year? 1 million metric tons
What might a sea turtle or seabird mistake a plastic bag for which makes plastic bags extremely
dangerous? Jellyfish
After major wars, the military has dumped hardware, equipment and munitions into the ocean.
true
What is a major argument for the dumping of radioactive wastes in the deep-sea trenches of
the ocean? The waste would be taken to the mantle via subduction zones.
Which chemical is responsible for the thinning of eggs from seabirds? DDT
________ occurs when the concentration of pollutants gets higher as it passes to higher trophic
levels. Biological magnification
What kind of bacteria is used to monitor coastal water quality? Coliform bacteria
, What cyclic process results from the introduction of sewage as nutrients? Eutrophication
________ is thought to have caused a harmful dinoflagellates bloom in the Chesapeake Bay
area. Agricultural runoff
Water with abnormally low oxygen levels is known as a(n): hypoxic zone.
What is currently a main contaminate of beaches? Overflowing storm drains
Which general organic compound forms ringed carbon structures? Aromatic hydrocarbons
________ tend to be more toxic than ________. Aromatic compounds; aliphatic compounds
What slowed down the decomposition rate of the oil spilled from the Exxon Valdez? Cold
temperatures
How can oil cause hypothermia in birds? Oil coats large outer feathers so they cannot repel
water.
What organisms are susceptible to being smothered by a coating of oil in sediments?
Invertebrates
Water temperature, and therefore global warming, plays a vital role in: species distribution.
How are nonnative species frequently transported? Ships' ballast
What protein produces bioluminescence? Luciferin
Bioluminescent patterns can indicate: a.species.
b.hunting strategies.
c.all of these choices.
d.gender.
What characteristics do many deep-sea fish have regarding their eyes? They have tubular
shaped eyes and two retinas.
Some deepwater fish like the anglerfish have solved the issue of finding a mate by: having
the males attach to the females.
________ allow(s) for surface feeding and the introduction of more food to the deep depths.
Vertical migration
What fleshy projection is an adaptation some fish have to lure prey in? Barbel
What is a possible reason deep-sea animals can be much larger than their surface relatives?
They have a longer lifespan.
What is a major predator of giant squids? Sperm whales
What organism gave biologists essential clues into the evolution of tetrapods? Coelacanth
What environmental factor seems to have the most impact on deep-sea, benthic organisms?
Food availability
,What process delivers organic nutrients to abyssal plains and trenches near continental
shelves? Turbidity currents
Black smokers are rich in ________, while white smokers have high levels of ________.
copper sulfide; zinc sulfide
How long are active vents thought to last? 20 years
What do Riftia worms lack that makes them different than other worms? A digestive system
How much plastic enters the ocean each year? 1 million metric tons
What might a sea turtle or seabird mistake a plastic bag for which makes plastic bags extremely
dangerous? Jellyfish
After major wars, the military has dumped hardware, equipment and munitions into the ocean.
true
What is a major argument for the dumping of radioactive wastes in the deep-sea trenches of
the ocean? The waste would be taken to the mantle via subduction zones.
Which chemical is responsible for the thinning of eggs from seabirds? DDT
________ occurs when the concentration of pollutants gets higher as it passes to higher trophic
levels. Biological magnification
What kind of bacteria is used to monitor coastal water quality? Coliform bacteria
, What cyclic process results from the introduction of sewage as nutrients? Eutrophication
________ is thought to have caused a harmful dinoflagellates bloom in the Chesapeake Bay
area. Agricultural runoff
Water with abnormally low oxygen levels is known as a(n): hypoxic zone.
What is currently a main contaminate of beaches? Overflowing storm drains
Which general organic compound forms ringed carbon structures? Aromatic hydrocarbons
________ tend to be more toxic than ________. Aromatic compounds; aliphatic compounds
What slowed down the decomposition rate of the oil spilled from the Exxon Valdez? Cold
temperatures
How can oil cause hypothermia in birds? Oil coats large outer feathers so they cannot repel
water.
What organisms are susceptible to being smothered by a coating of oil in sediments?
Invertebrates
Water temperature, and therefore global warming, plays a vital role in: species distribution.
How are nonnative species frequently transported? Ships' ballast
