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Marine Biology Example Questions History of Oceanography: 1. NOAA wants to build an office underneath the ocean. Which subfield of oceanography should they consult with first that could help them build it? A) Chemical B) Biological C) Physical D) Engineering 3. Plankton was discovered on the single most comprehensive oceanographic expedition ever taken. What was the name of this ship that this occurred on? A) Titanic B) Challenger C) Trieste D) Alvin 4. Which body of water would be most suited for the ship that Fridtjok Nansen designed? A) B) C) D) Mediterranean Sea Niagara Fall Arctic Ocean Gulf of Mexico 5. Where did Ferdinand Magellan’s circumnavigation start? A ) North America B) Spain C) Cuba D) England 6. The set of procedures by which scientists learn about the world is known as a) Deduction b) Inference c) Experiment d) Scientific Method 7. A proposed explanation for a phenomena based on research and prior knowledge a) Theory b) Hypothesis c) Law d) Experiment 8. What is the purpose of a control in an experiment? a) It’s what you measure b) It’s what your compare the experimental groups results to as a point of reference. c) It’s what you manipulate d) You don’t have to have a control, it serves no purpose 9. Ancient people often had knowledge of which of the following a) Edible shellfish b) Migrations of whales c) Giant squid d) Life in the ocean depths 10. Sonar uses pulses of radio waves to probe the ocean depths a) True b) False 11. A scientific theory is used to describe something that is a controversial or provisional hypothesis. a) True b) False 12. It took 19 years to publish all the results from all the information and data collected from the a) HMS Beagle b) Black Pearl c) Challenger Expedition d) Alvin- deep sea submarine 13. Ships had large on board laboratories to study and analyze samples brought abroad during voyages a) True b) False Match the descriptions below with their correct scientist (14-20): 14. He was a naturalist. He sailed around the world on the HMS Beagle for five years to map coastlines. 15. Considered by many to be the first marine biologist. 16. He carried out extensive dredging of the sea floor; was considered the most influential marine biologist of his day; and discovered many previously unknown organisms. 17. He modified SCUBA so divers would breathe compressed air underwater 18. A sea captain that was one of the first to make scientific observations along the way and to include a full time naturalist among his crew. 19. They still explored the oceans even through the dark ages a) Aristotle d) Edward Forbes b) Vikings e) Charles Darwin c) James Cook f) Jacques Cousteau Sea floor: 1) Which is true? a) The Pacific Ocean is the deepest and smallest b) The Arctic Ocean is shallowest and smallest c) The Atlantic Ocean is deepest and largest d) The Indian Ocean is shallowest and largest 2) Where should you look to find the oldest rocks in the ocean? a) Hydrothermal vents b) Near trenches c) On top of mid ocean ridges d) All of the above 3) This Earth layer is so hot its temperature is near the melting point of rocks causing it to flow much like a liquid a) Crust b) Mantle c) Core d) None of the above 4) The Crust and Upper mantle make up the a) Asthenosphere b) Lithosphere c) Atmosphere d) Hydrosphere 5) Magnetic anomalies are bands of rock that run parallel to the mid – ocean ridge system. What do they provide evidence for? a) Bacteria lived in the ocean floor millions of years ago b) Volcanoes form at ocean ridges c) The sea floor was not all formed at the same time d) Granite is denser than basalt 6) Alfred Wegener proposed which of these ideas? a) All continents once were joined into one supercontinent. b) Magnetic anomalies show that the sea floor did not form all at oncey c) The Oceanic Lithoshpere is created by sea floor spreading d) Sea levels dropped during the Ice Age 7) The continuous chain of submarine volcanic mountains that encircles the globe is/are a) Subduction zones b) Mid- ocean ridge c) Plate tectonics d) Island Arcs 8) This margin is characterized by a wide shelf, and gradual continental slopes a) Active margin b) Passive margin 9) What are the 4 major ocean basins a) Pacific, Southern, Atlantic, Arctic b) Atlantic, Arctic, Southern, Indian c) Arctic, Atlantic, Pacific, Indian 10) Which process occurs at plate boundaries and recycles old crust a) Sea floor spreading b) Subduction c) Continental drift d) Earthquakes Label the continental margins Chemical Properties of Water: 1. Which of the following is NOT one of the most important gases in the oceans? a. Oxygen b. Carbon Dioxide c. Hydrogen d. Nitrogen 2. The process where gases are returned to the atmosphere or dissolved in seawater is called? a. photosynthesis b. respiration c. gas exchange d. none of the above 3. Much of the Oxygen found in the ocean is produced by a. respiration b. photosynthesis c. salinity d. all of the above 4. Which gas is released in photosynthesis? a. Hydrogen c. Carbon Dioxide b. Oxygen d. Glucose 5. What are the products (outcome) of respiration a. Glucose, ATP b. CO2, O2 c. ATP, CO2 d. O2, ATP 6. Nitrogen gas in a useable form is important to aquatic life for the production of… a. protein b. ATP c. CO2 d. Glucose 7. Nitrogen is important to living organisms. However, plants and animals cannot use nitrogen gas it must be converted to usable forms. What living organism is able to convert nitrogen gas into a usable form for plants and animals? a. phytoplankton b. zooplankton c. bacteria d. chemosynthesis 8. Which of the following will hinder the penetration of light? a. plankton b. muddy water c. overproduction of algae d. all of the above 9. Pressure is directly related to… a. salinity c. temperature b. depth d. wavelength of light 10. Scuba Steve has dove to a depth of 103 ft what is the ambient pressure being exerted Steve? (10m = 1atm; 33ft = 1atm; 1atm = 14.7lbs/in2) a. 1 atm b. 2 atm c. 3 atm d. 4 atm 11. Using the information from question 26 covert the atms into pounds a. 14.7 lbs/in2 b. 29.4 lbs/in2 b. 45.8 lbs/in2 d. 58.8 lbs/in2 12. The Navy has picked up clicks from a sperm whale at a depth of 2000m what is the hydrostatic pressure in atm and lbs per sq in a. 300 atm; 3000 lbs per sq. in. b. 301 atm; 3146 lbs per sq. in. c. 200 atm; 2940 lbs per sq. in. d. 201 atm; 2935 lbs per sq. in. 13. A diver is 1200m below the surface what is the ambient pressure being exerted on the diver’s body in lbs per sq. in. a. 1764 lbs per sq. in b. 1779 lbs per sq. in c. 1652 lbs per sq. in d. 1552 lbs per sq. in 14. A diver’s hydrostatic pressure is 7atm at what depth is this diver. (answer in meters and ft) a. 50m, 193ft b. 70m, 231ft c. 80m, 264ft d. 60m, 198ft 15. If a fish that lives 5000 ft below the surface was brought to the surface to quickly you would find that its swim bladder would _________. a. shrink b. expand c. collapse d. do nothing 16. Which of the following is NOT a layer found in the ocean? a. deep b. intermediate c. mixed d. cold 17. The main thermocline can be found in which layer? a. surface b. intermediate c. bottom d. all of the above 18. Which of the following is NOT a cause of the “bends” a. air bubbles in the tissue surrounding joints b. descending to quickly c. not be able to decompress d. ascending to quickly 19. Why is the transparency of water important? a. respiration b. photosynthesis c. chemosynthesis d. none of the above 20. Water has many special properties. Which of the following is NOT a characteristic of water? a. polar b. high specific heat c. poor solvent d. expansion (freezing) 21. Which property of water allows for life to survive during falling temperatures a. polar b. high specific heat c. universal solvent d. expansion (freezing) 22. All of the following statements dealing with the Rule of Constant Proportion are true EXCEPT. a. ratio of major salts increase b. ion concentration remains constant c. various salinity depends upon addition or removal of water d. ratio of major salts remains constant 23. The ocean remains at a “steady state”. What does this mean? a. ions are being added and removed at the same rate b. gas exchange is equal c. ration of major salts is increasing d. none of the above Use the picture below to answer 24-28 0 A Depth in m 24. Thermoclines can be found in which section? a. A & B b. B & C c. A only d. B only 25. Which section is referred to as the mixed layer? a. A b. B c. C d. None of the above C 5000 26. Which layer would you find to have the highest salinity? a. A & B b. B only c. C only d. None of the above 27. Which layer would blue light stop being reflected and start being absorbed? a. A b. B c. C d. None of the above 28. Which layer would you find the photic zone? a. A b. B c. C d. None of above B Physical Properties of Water: 1. Deep Currents are mainly caused by a) Different water densities b) The up and down movement of water molecules c) The rotation of Earth on its axis d) Large creatures moving in the water 2. Tides are caused by ALL of the following except: a) Gravitational pull of the moon b) Gravitational pull of the sun c) Movement of land masses d) Rotation of the moon 3. The amount of time is takes for consecutive crests or troughs to pass a given point is called the: a) Wave Break b) Wave Period c) Wave Length d) Wave Frequency 4. Why is an upwelling beneficial? a) Transports phosphates and nitrates on which plankton depend on to surface b) Brings organisms to the surface to help perform photosynthesis c) Transports warmer waters to the surface. d) Helps move unwanted nutrients from the surface. 5. Which answer includes the correct alignment? a) Neap Tide: Moon, Earth and Sun are lined up. b) Spring Tide: Moon, Earth and Sun are lined up. c) Neap Tide: Moon, Earth and Sun are at 90 0 of each other d) Spring Tide: The sun and earth are below the moon. Marine Ecology: 1. Which environment has historically been the most stable? a. desert b. coral reef c tundra d. tropical rain forest 2. Most sea life is found in which area? a. On or above continental shelves b. In trenches c. Along mid-ocean ridges d. Near deep-sea hydrothermal vents 3. Coastal upwelling results in ________. a. carbon dioxide-rich water surfacing b. warm water surfacing c. mixing of salt and freshwater d. lower high tides 4. The yellow-green color of coastal waters as compared to the blue color of the open ocean is a result of what? a. A lower salinity b. A high concentration of organic materials c. A higher copper content of sediment d. A low copper content of sediment 5. Fish in what layer of water would be more likely to have large eyes? a. The aphotic zone b. The euphotic zone c. The photic zone 6. What type of shore is most biologically diverse? a. Sandy beach b. Mud flat c. Salt marsh d. Rocky shore 7. What part of a coral reef is above a depth of 20 meters? a. Buttress zone b. Supralittoral zone c. Hermatypic zone d. Bathyal zone 8. A buckshot barnacle, which is submerged in water only during high tide, is going to be found in which section of a beach? a. Foreshore b. Backshore c. Littoral zone 9. Which of the following is the correct order of zones going from the shore to the deep ocean? a. sublittoral, hadal, bathyal, abyssal b. hadal, sublittoral, bathyal, abyssal c. sublittoral, bathyal, abyssal, hadal d. bathyal, sublittoral, abyssal, hadal 10. What is the depth below which net primary growth cannot occur? a. b. c. d. Dissolved oxygen minimum Biological compensation depth Critical depth Oxygen compensation depth 11. An organism containing photophores is likely to inhabit which of the following zones? a. Epipelagic zone b. Bathypelagic zone c. Mesopelagic zone d. Abyssopelagic zone 12. The oxygen minimum zone is partially a result of water with which of the following properties being able to hold more dissolved oxygen? a. High temperature b. High productivity c. Low productivity d. Low temperature 13. A coastal body of water connected to the ocean and supplied with fresh water from a river is an __________ . a. Shelf b. Inlet c. Estuary d. Atoll 14. What is the average salinity of an estuary? a. 23 ppt b. 12 ppt c. 8ppt d. 17ppt 15. What is the type of exoskeleton formed by corals? a. Hydrogen Calcite b. Calcium Carbonate c. Limestone d. Phosphate 16. What are the stages of coral reef development in order? a. Fringing, Barrier, Atoll b. Atoll, fringing, barrier c. Barrier, atoll, fringing 17. In the trophic pyramid, how are organisms classified? a. Based on their habitat b. c. d. Based on their size Based on where they get their energy from Based on their lifespan 18. Which of the following best describes decomposers? a. heterotrophs b. autotrophs c. phototrophs d. none of the above 19. What symbiotic relationship is occurring when one organism is benefited and the other is not affected significantly? a. mutualism b. parasitism c. competition d. commensalism 20. Around black smokers, tube worms and other organisms rely on bacteria to do chemosynthesis using what gas as their energy source? a. oxygen b. carbon dioxide c. hydrogen sulfide d. potassium sulfate 21. What element is most closely correlated with Eutrophication? a. Sulfur b. Carbon c. Phosphorus d. Nitrogen 22. What type of microorganisms are responsible for spring blooms? a. Dinoflagellates b. Brown Algae c. Diatoms d. Red Algae Microorganisms: 1) Which of the following is an example of asexual reproduction a) Budding b) Fission c) Broadcast spawning d) both a and b 2) These organisms have a test made of CaCO3 and make up the white cliffs of Dover in England a) Diatoms b) Foraminiferans c) Radiolarians d) Coccoliths 3) These can be found living in the gills of clams. Their hair like extensions helps them in locomotion and feeding a) Foraminierans b) Diatoms c) Ciliates d) Radiolarians 4) This group of organisms is characterized by the presence of 2 flagella and armored plates a) Diatoms b) Foraminieras c) Dinoflagellates d) Radiolarians 5) Resistant stages that eventually give rise to larger cells that display the frustule characteristic of the species is known as a) Diatom b) Radiolarian c) Stromatolite d) Auxospore 6) One difference between Eukaryotes and Prokaryotes is a) all eukaryotes have a cell wall and all prokaryotes do not b) All prokaryotes have a cell wall and all eukaryotes do not c) Prokaryotes lack a nucleus and Eukaryotes contain a nucleus d) Prokaryotes cannot carry out any chemical processes that eukaryotes can. 7) Stromatolites are a) Underwater volcanoes b) Calcareous mounds formed by cyanobacteria c) A type of jellyfish d) Mounds of Diatomacous ooze 8)The two prokaryotic domains are a) Bacteria and Archaea b) Bacteria and Protista c) Protista and Archaea d) Bacteria and Plantae 9) The three domains are a) Bacteria, Archaea, Eukarytota b) Animalia, Protista, Plantae c) Monera, Animalia, Plantae d) Monera, Protista, Animalia 10) These organisms get smaller each time they reproduce a) Diatoms b) Dinoflagellates c) Radiolarians d) Foraminifera Identify the below pictures: 11) Foraminifera 12) Diatom 13) Cilliate 14) Radiolarian 15) Dinoflagellate A B C D E Marine Plants: 1. Algae are divided taxonomically into different groups based on differences in: a. morphology. b. accessory pigments. c. habitat. d. depth distribution. 2. The macroalgae are commonly known as: a. seagrasses. b. seaweeds. c. kelps. d. higher plants. 3. The color of light that penetrates seawater to the greatest depth is: a. blue. b. red. c. green. d. orange. 4 The greatest diversity of algae is found at: a. tropical latitudes. b. polar latitudes. c. subtropical latitudes. d. temperate latitudes. Marine Invertebrates: 1. Which of the following is NOT a distinctive feature of arthropods a. radial symmetry b. jointed legs c. an external skeleton d. molting 2. All of the following are arthropods EXCEPT: a. horseshoe crab b. barnacles c. octopus d. krill 3. Molting a. actively sweeping food particles from the water b. the head of an organism fused with some of the body segment c. shedding exoskeleton and secreting a new, larger on d. a dramatic change in body style from larval to adult stages 4. Filter feeding is a. actively sweeping food particles from the water b. the head of an organism fused with some of the body segments c. a highly resistant carbohydrate used in skeletons and shells d. shedding exoskeleton and secreting a new, larger one 5. One distinctive feature of all echinoderms is a. lack of a digestive system b. jointed legs c. gills in a mantle cavity d. lack of a central brain 6. The endoskeleton of echinoderms a. is made up of calcium carbonate plates b. is a porous plate on the aboral surface c. is a network of water-filled canals d. is part of the complete digestive system 7. The water vascular system a. is a network of water-filled canals b. is the locomotion system of echinoderms c. ends in tube feet d. all of the above are correct 8. Regeneration is the ability a. to regrow lost or damaged body parts b. a series of similar segments c. the expulsion of guts through the mouth or anus d. an intricate system of jaws and muscles used for feeding 9. Which type of echinoderm is known for its ability to eviscerate its guts to avoid predation? a. b. c. d. brittle star sea lily sea cucumber sand dollar 10. Which term is NOT associated with sponges? a. Choanocytes b. Medusa c. Spicules d. Nematocyst 11. Sponges reproduce sexually by a process called a. cephalization. b. internal fertilization. c. radial symmetry. d. budding. 12. Which of the following best describes the feeding habits of sponges? a. Predators b. filter feeders c. parasites d. detritivores 13. Flagella on the collar cells are important to the essential functions within a sponge because flagella a. protect the organism from predators. b. digest food particles trapped within the organism. c. help move water through the organism’s body. d. produce toxins that make them poisonous to predators. 14. How do some sponges play an important role in the primary productivity of coral reefs? a. They provide food for sponge-eating sea stars. b. They attract light with their antennae. c. They are harvested for sale as bath sponges. d. They have symbiotic relationships with photosynthetic organisms. 15. Cnidocytes help a cnidarian survive by a. storing food. b. forming colonies c. paralyzing prey. d. providing movement. 16. Cnidarians have two basic body types, a medusa and a(an) a. larva. b. tentacle. c. polyp. d. osculum. 17. Coral reefs occur in areas where there are a. high levels of sediments. b. very deep waters. c. high levels of light. d. very cool waters. 18. Food enters a flatworm’s body cavity through a muscular tube called a(an) a. flame cell. b. pharynx. c. ganglion. d. coelom. 19. An adult tapeworm uses its scolex to a. attach itself to the intestinal wall of its host. b. digest food. c. store sperm d. store fertilized eggs. 20. Roundworms have a digestive system a. with two openings b. with one opening. c. within a true coelom. d. none of the above 21. Why is an open circulatory system adequate for a bivalve, such as a clam, but not for a cephalopod, such as a squid? a. Bivalves are largely sedentary, while a squid is fast-moving. b. Bivalves have relatively low oxygen demands. c. Squids have relatively high oxygen demands. d. all of the above 22. The thin layer of tissue that covers a mollusk’s body is called the a. mantle. b. foot. c. visceral mass. d. shell. 23. Bivalve communities that live near undersea volcanic vents obtain their food mostly from a. symbiotic bacteria. b. symbiotic algae. c. detritus. d. filter-feeding. 24. The feeding types that occur within the phylum Mollusca include a. herbivores. b. carnivores. c. detritivores. d. all of the above 25. The appendages of the arthropods are a. found only on the head. b. hard and immovable. c. jointed and extend from the body wall. d. divided into six branches 26. What does molting enable arthropods to do? a. to breathe b. to reproduce c. to grow d. to eat 27. In an echinoderm, the structure that operates like a living suction cup is the a. madreporite. b. tube foot. c. stomach. d. nerve ring. 28. The water vascular system of echinoderms is involved with each of the following body functions EXCEPT a. respiration. b. circulation. c. movement. d. Reproduction 29. Which structure is part of an echinoderm’s water vascular system? a. skin gill b. anus c. madreporite d. Stomach 30. The echinoderms that look like warty, moving pickles are a. sea urchins. b. sea stars. c. feather stars d. sea cucumbers. 31. The plates of the endoskeleton are reduced and contained inside a soft, muscular body wall in a. sand dollars. b. sea cucumbers. c. sea urchins. d. brittle stars. 32. Two echinoderms that are in the same class are a. brittle stars and sea stars. b. sea stars and sea cucumbers. c. sea cucumbers and sea urchins. d. sea urchins and sand dollars. Marine Birds and Reptiles: All the following are adaptations of reptiles better both on land and in the ocean except: a. improved circulatory system over the fishes. b. very efficient kidneys. c. scale-covered skin without glands. d. dark bodies. Which of the following is not generally considered to have contributed to the success of reptiles on land and in the sea? a. amniotic egg b. skin covered by scales c. specialized copulatory organs d. ventral nerve cord The amniotic egg evolved __________ years ago. a. 1 billion b. 650 million c. 340 million d. 240 million The chorion of amniotic eggs functions in: a. supply of food. b. removal of wastes. c. gas exchange. d. protection of the egg. Which sea turtle can tolerate cold temperatures? a. Leatherback b. Kemp’s ridley c. Green d. Hawksbill In marine turtles, excess salts are removed by: a. salt glands in the tongue. b. salt glands above the eyes. c. concentrated urine. d. salt glands on the skin. Which turtle has a diet of seagrass? a. Kemp’s ridley b. Leatherback c. Hawksbill d. Green sea turtle Which sea turtle has a diet of jellyfish? a. Hawksbill b. Leatherback c. Green sea turtle d. Flatback sea turtle Sea turtle social behavior is primarily: a. small family groups. b. formation of hunting groups. c. solitary. d. schooling. The crocodile best adapted to a marine lifestyle is: a. the Asian saltwater crocodile. b. the American crocodile. c. the alligator. d. the Nile crocodile. In marine crocodiles excess salts are removed by: a. salt glands in the tongue. b. salt glands above the eyes. c. concentrated urine. d. salt glands on the skin. A marine reptile found only on the Galapagos Islands is: a. the sea snake. b. the marine crocodile. c. the marine iguana. d. the flatback sea turtle. An adaptation of the marine iguana for cold water is a. rete marible to keep exchange heat. b. blubber to keep heat in. c. dark skin to absorb the sun’s heating radiation. d. increased metabolism. Marine iguanas feed mostly on: a. mussels. b. benthic invertebrates. c. small fish. d. algae. All of the following are adaptations of sea snakes to a marine existence except: a. trachea acting as accessory lung. b. gas exchange across their skin. c. oviparous reproduction. d. lower metabolic rate during submergence. Sea snakes usually feed on a. algae. b. jellyfish. c. infaunal invertebrates. d. small fishes. Which is not a unique adaptation of sea snakes for marine life? a. nostrils high on the head b. reduced or absent scales c. laterally compressed tail d. loss of limbs The birds are: a. stenotherms. b. eurytherms. c. homeotherms. d. poikilotherms. In marine birds, excess salts are removed by: a. salt glands in the tongue. b. salt glands above the eyes. c. concentrated urine. d. salt glands on the skin. Tubenoses include: a. pelicans. b. gulls. c. terns. d. albatrosses. The oystercatcher is a member of the: a. gulls. b. tubenoses. c. shorebirds. d. pelicans. A common short, plump, shore bird with a worldwide distribution is the: a. turnstone. b. pelican. c. avocet. d. plover. The heron is a stalking bird with the following characteristics: a. skinny legs, long necks, pincer type bill. b. flightless, plumb, parrot-like beak. c. plump bodies, pigeon-like beak. d. short necks, upturned bills. A seabird that has adapted very well to humans is the: a. gull. b. tern. c. frigate Bird. d. penguin. The seabirds with an ecological role similar to land-based hawks, falcons, and vultures are the: a. gulls and terns. b. skuas and jaegers. c. avocets and sandpipers. d. curlews and turnstones. Birds that prey by attracting small fish and shrimp to the surface are called: a. plovers. b. turnstones. c. skimmers. d. curlews. Birds that are known to eat the chicks of other birds and even their own chicks are: a. avocets. b. terns. c. curlews. d. gulls. Birds that have long narrow bills used for eating bivalves and other invertebrates are: a. gulls. b. pelicans. c. shore birds. d. tubenoses. Gulls feed mostly by a. capturing small fish. b. eating algae. c. probing for small prey in the mud. d. scavenging. Herons and egrets are members of the: a. gulls. b. tubenoses. c. shorebirds. d. pelicans. Terns, skuas and jaegers are all members of the _____ group. a. gull b. pelican c. tubenose d. penguin The ecological equivalent of penguins in the Northern Hemisphere is: a. the heron. b. the auk. c. the skimmer. d. the black-necked stilt. The alcid hunted to extinction was the: a. auk. b. puffin. c. murre. d. great auk. The stomach of which one of the following birds contains a gland that produces a foul smelling, yellow colored oil? a. pelicans b. gulls c. terns d. albatrosses A structure found within penguins that is used for storing food for feeding the young is called the: a. crop. b. salt gland. c. gular pouch. d. amnion. Birds that spend most of their time aloft at sea are: a. skuas. b. gulls. c. albatrosses. d. pelicans. Birds in which the lower bill protrudes much farther than the upper bill are a. jaegers. b. skimmers. c. puffins. d. penguins. Birds that catch their prey by plunge diving into the water from the air are: a. skimmers. b. cormorants. c. terns. d. penguins. Birds that pursue their prey underwater are: a. gulls. b pelicans. c. penguins. d. stilts. Buoyancy in pelicans is achieved by: a. subcutaneous air sacs. b. fatty tissue. c. low density tissues. d. long feathery appendages. In general, birds increase the chance their young will survive by a. providing parental care of the young. b. selecting nesting sites away from predators. c. being oviparous. d. both a and b Birds that crash into the water and scoop up fish in the gular pouch are called: a. stilts. b. tubenoses. c. pelicans. d. albatross. Birds that dive into the water from a height of 18 to 30 meters are called: a. pelicans. b. albatross. c. tubenoses. d. boobies. A very agile seabird used in Japan to help catch fish is called: a. a stilt. b. a albatross. c. a cormorant. d. a gull. A bird with no oil to protect its feathers from water, that soars for hours at sea, is called: a. a frigatebird. b. an albatross. c. a gull. d. a petrel. Frigatebirds have been observed to pirate food by: a. perching on feeding pelicans and then stealing fish. b. beating and jostling boobies in flight, forcing them to regurgitate their food - then seizing it. c. preying on other birds. d. both a and b The bird with the largest wings, also a marine bird, is called the: a. frigate bird. b. pelican. c. albatross. d. gull. An interesting feeding behavior of the Wilson’s storm petrel is a. plunging to great depths into the ocean in search of food. b. using their feet to paddle just below the water’s surface so they appear to be walking on the surface. c. catching a clam and then dropping it over rocks to break it up. d. stealing eggs from nesting birds while the parents are sitting on the eggs. The birds that are most highly adapted to marine life are the: a. tubenoses. b. gulls. c. penguins. d. pelicans. Penguins are preyed on by: a. leopard seals and killer whales. b. sharks. c. sperm whales. d. jaegers.