Oceanography Chapter 14

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Which of the following animals uses an internal chambered structure as a rigid gas container to achieve neutral buoyancy? A) Snapper B) Sepia C) Grouper D) Tuna E) Cuttlefish

Cuttlefish

Which of the following lay eggs that are released into seawater, where they hatch in about a day? A) Coccolithophores B) Copepods C) Ctenophores D) Foraminifers E) Radiolarians

Copepods

Fossil discoveries indicate that whales evolved from mammals on land about ________ million years ago. A) 50 B) 90 C) 60 D) 80 E) 70

50

Which set of fins is used as stabilizers? A) Anal and caudal B) Caudal and dorsal C) Anal and dorsal D) Pectoral and pelvic E) Caudal and pelvic

Anal and dorsal

The "Portuguese man-of-war" is an example of which of the following? A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians

Cnidarians

Which of the following is not an adaptation for deep diving in Cetaceans? A) Having increased hemoglobin concentrations to store more oxygen B) Blood flow is shifted from the brain to the extremities C) Having a lot of myoglobin in the muscles to store oxygen D) Slowed heart rate E) Collapsing the lungs to compensate for increasing water pressure during deep dives

Blood flow is shifted from the brain to the extremities

Which of the following affect the ability of species to capture food? A) Circulatory system B) Body temperature C) Body length D) Speed E) Body length, body temperature, circulatory system and speed affect the ability of pelagic organisms to capture food

Body length; body temperature, circulatory system, and speed affect the ability of pelagic organisms to capture food

Fur seals are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Carnivora

Polar bears are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Carnivora

Sea lions are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Carnivora

Sea otters are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Carnivora

Seals are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Carnivora

Walruses are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Carnivora

Which set of fins is used for moving fast? A) Anal and pelvic B) Pectoral and anal C) Caudal and dorsal D) Anal and dorsal E) Caudal and pectoral

Caudal and pectoral

Blue whales are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Bowhead whales are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Dolphins are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Finback whales are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Gray whales are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Humpback whales are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Porpoises are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Right whales are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Sperm whales are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Cetacea

Jellies are an example of which of the following? A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians

Cnidarians

Which of the following are armed with nematocysts containing a painful neurotoxin? A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians

Cnidarians

Which of the following has tentacles up 60 meters long? A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians

Cnidarians

Which of the following have gas chambers that serve as floats and sails that allow the wind to push them across the ocean surface? A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians

Cnidarians

Which of the following have soft bodies that are more than 95% water? A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians

Cnidarians

Which of the following have tentacles armed with stinging cells called nematocysts? A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians

Cnidarians

Which of the following zooplankton include the hydrozoans and the scyphozoans? A) Cnidarians B) Coccolithophores C) Ctenophores D) Foraminifers E) Radiolarians

Cnidarians

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. A) Blubber B) Spines C) Collapsible ribs D) Gas bladder E) Swim bladder

Collapsible ribs

A remora attaching itself to a shark to obtain food and transportation without harming its host is an example of which of the following types of symbiotic relationship? A) Commensalism B) Mutualism C) Naturalism D) Parallelism E) Parasitism

Commensalism

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. A) Jellyfish B) Ctenophore C) Arrow worm D) Salp E) Copepod

Copepod

Which of the following are one of the most numerically dominant types of multicelled organisms on the planet? A) Coccolithophores B) Copepods C) Ctenophores D) Foraminifers E) Radiolarians

Copepods

Which of the following compose the majority of the ocean's zooplankton biomass? A) Coccolithophores B) Copepods C) Ctenophores D) Foraminifers E) Radiolarians

Copepods

Which of the following have a hard exoskeleton and a segmented body with jointed legs, forked tails and distinct antennae? A) Coccolithophores B) Copepods C) Ctenophores D) Foraminifers E) Radiolarians

Copepods

Which of the following produce a hard test made of calcium carbonate that is segmented or chambered, with a prominent opening in one end? A) Coccolithophores B) Copepods C) Ctenophores D) Foraminifers E) Radiolarians

Foraminifers

A sperm whale uses its junk and the spermaceti organ to do which of the following? A) Dig in seafloor sediment B) Generate sounds C) Remain submerged for extended periods D) Digest squid and other prey E) Produce offspring

Generate sounds

The migration of which of the following baleen whales is the best-studied? A) Rorqual whale B) Blue whale C) Gray whale D) Humpback whale E) Minke whale

Gray whale

Which of the following baleen whales feeds on benthic organisms? A) Blue whale B) Gray whale C) Humpback whale D) Minke whale E) Rorqual whale

Gray whale

Which of the following was the first marine creature to be removed from endangered status? A) Blue whale B) Gray whale C) Humpback whale D) Minke whale E) Rorqual whale

Gray whale

Which of the following animals uses a swim bladder to achieve neutral buoyancy? A) Grouper B) Nautilus C) Spirula D) Sharks E) Tuna

Grouper

Which of the following fish waits patiently for prey and exerts themselves only in short bursts as they lunge? A) Marlin B) Tuna C) Shark D) Swordfish E) Grouper

Grouper

Which of the following types of caudal fins is asymmetrical, with most of their mass and surface area in the upper lobe? A) Forked caudal fin B) Heterocercal caudal fin C) Lunate caudal fin D) Rounded caudal fin E) Truncate caudal fin

Heterocercal caudal fin

Which of the following types of caudal fins is found in sharks? A) Forked caudal fin B) Heterocercal caudal fin C) Lunate caudal fin D) Rounded caudal fin E) Truncate caudal fin

Heterocercal caudal fin

Deep-sea fish species exhibit which of the following adaptations to life in the deep ocean? A) Small sharp teeth B) Rigid bodies C) Small mouths D) Hinged jaws E) Insensitive eyes

Hinged jaws

Whales evolved from a land-dwelling ancestor similar to which of the following? A) Yak B) Bear C) Mastodon D) Elephant E) Hippopotamus

Hippopotamus

Songs of which of the following whales are thought to be a form of sexual display? A) Blue whale B) Gray whale C) Humpback whale D) Minke whale E) Rorqual whale

Humpback whale

Which of the following Gray whales are the last to migrate south? A) Pregnant females B) Non-pregnant mature females C) Immature males D) Mature males E) Immature females

Immature males

Despite the International Whaling Commission ban on commercial whaling which of the following nations continues to hunt whales under the guise of scientific research? A) Norway B) Greenland C) Japan D) United States E) Russia

Japan

Which of the following is a member of the Phylum Cnidaria? A) Copepod B) Salp C) Jellyfish D) Sea gooseberry E) Nautilus

Jellyfish

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. A) Minke B) Gray C) Killer D) Blue E) Sei

Killer

Pick the pair which does not fit the pattern. A) Krill—whale B) Isopod—fish C) Clown fish—anemone D) Remora—shark

Krill—whale

Which of the following is not an adaptation of deep-sea fishes? A) Counter-illumination B) Good sensory devices such as sensitive lateral lines C) Hinged jaws D) Large body sizes E) Large mouths with sharp, needle-like teeth

Large body sizes

Which of the following best describes a behavior known as porpoising? A) Forming a large school to harass whales B) Leaping out of the water while swimming C) Using a blunt snout during mating D) Starting in television programs and movies E) Swimming in circles around prey

Leaping out of the water while swimming

Which of the following types of caudal fins is found on fast-cruising fish such as tuna, marlin, and swordfish? A) Forked caudal fin B) Heterocercal caudal fin C) Lunate caudal fin D) Rounded caudal fin E) Truncate caudal fin

Lunate caudal fin

Which of the following fast-swimming fish has the lowest body temperature? A) Bonito (Sarda) B) Mackerel (Scomber) C) Bluefin tuna (Thynnus) D) Yellowtail (Seriola) E) Moonfish Opah (Lampris guttatus)

Mackerel (Scomber)

Identify the mismatched pair. A) Manatee—Cetacea B) Sea otter—Carnivora C) Dolphin—Cetacea D) Walrus—Pinnipedia E) Dugong—Sirenia

Manatee—Cetacea

The stinging tentacles of a sea anemone protecting a clown fish which chases away any fish that tries to feed on the anemone is an example of which of the following types of symbiotic relationship? A) Commensalism B) Mutualism C) Naturalism D) Parallelism E) Parasitism

Mutualism

Which of the following animals uses an external shell as a rigid gas container to achieve neutral buoyancy? A) Spirula B) Sea Bass C) Grouper D) Nautilus E) Sepia

Nautilus

Which of the following nations continues to hunt whales legally under an objection to the International Whaling Commission ban on commercial whaling? A) Norway B) United States C) Greenland D) China E) Russia

Norway

Which of the following Gray whales are the last to migrate north? A) Immature males B) Nursing females C) Non-pregnant mature females D) Mature males E) Immature females

Nursing females

Which of the following are single-celled, microscopic protozoans that build their hard shells out of silica? A) Coccolithophores B) Copepods C) Ctenophores D) Foraminifers E) Radiolarians

Radiolarians

An isopods attaching itself to a fish and derive its nutrition from the body fluids of the fish, robbing it of some of its energy supply, is an example of which of the following types of symbiotic relationship? A) Commensalism B) Mutualism C) Naturalism D) Parallelism E) Parasitism

Parasitism

Which set of fins is used for turning and braking? A) Anal and caudal B) Caudal and dorsal C) Anal and dorsal D) Caudal and pelvic E) Pectoral and pelvic

Pectoral and pelvic

Which of the following is not one of the reasons bioluminescence is employed by deep-sea animals? A) Counter illumination B) Warning coloration C) Attracting food D) Predator avoidance E) Communication

Predator avoidance

Which of the following Gray whales are the first to migrate south? A) Immature females B) Mature males C) Immature males D) Non-pregnant mature females E) Pregnant females

Pregnant females

Which of the following is the most important function of schooling in small fish? A) Male fertilization of eggs released into the water B) Protection from predators C) Invade the territory of larger species D) Moving in the same direction E) Aggressive species can't chase away the whole school

Protection from predators

Which of the following whales feeds by moving through surface waters with their mouths open, skimming for small surface-dwelling prey? A) Blue whale B) Gray whale C) Humpback whale D) Minke whale E) Right whale

Right whale

Which of the following types of caudal fins is flexible and useful in accelerating and maneuvering at slow speeds? A) Forked caudal fin B) Heterocercal caudal fin C) Lunate caudal fin D) Rounded caudal fin E) Truncate caudal fin

Rounded caudal fin

Which of the following animals uses a swim bladder to achieve neutral buoyancy? A) Spirula B) Sharks C) Sea Bass D) Sepia E) Nautilus

Sea Bass

Which of the following animals compensates for not having a swim bladder by using large and flat pectoral fins and an asymmetrical caudal fin to produce lift? A) Shark B) Nautilus C) Spirula D) Tuna E) Sepia

Shark

Which of the following animals uses a very large, oil rich liver to help reduce their density and float more easily? A) Shark B) Sepia C) Spirula D) Nautilus E) Tuna

Shark

Dugongs are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Sirenia

Manatees are members of which of the following orders? A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia

Sirenia

Which of the following is the most vocal cetacean? A) Finback whale B) Killer whale C) Porpoise D) Dolphin E) Sperm whale

Sperm whale

Which of the following is not a baleen whale? A) Gray whales B) Fin whales C) Blue whales D) Right whales E) Sperm whales

Sperm whales

Which of the following is not a member of the Order Carnivora? A) Polar bears B) Sea otters C) Seals D) Sea lions E) Sperm whales

Sperm whales

Which of the following animals uses an internal chambered structure as a rigid gas container to achieve neutral buoyancy? A) Spirula B) Grouper C) Nautilus D) Tuna E) Snapper

Spirula

Which of the following squids is the least active? A) Loligo B) Nautilus C) Spirula D) Architeuthis E) Ommastrephes

Spirula

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. A) Squid B) Radiolarians C) Krill D) Copepods E) Foraminiferans

Squid

Identify the mismatched pair. A) Squid—Annelid B) Arrow worm—Chaetognath C) Physalia—Cnidarian D) Krill—Crustacea E) Sea gooseberry—Ctenophore

Squid—Annelid

Killer whales are considered members of the dolphin family due to similarities in which of the following? A) Appearance B) Teeth C) Color D) Behavior E) Range

Teeth

Which of the following statements regarding dugongs is correct? A) They are concentrated in coastal areas of the tropical Atlantic Ocean. B) Their land-dwelling ancestors were cow like. C) They are known as "sea hippos." D) They can ascend steep slopes, climb stairs, and do other acrobatic tricks. E) Their bodies are covered with sparse hairs, concentrated around the mouth.

Their bodies are covered with sparse hair, concentrated around the mouth

Which of the following statements regarding Manatees is correct? A) They eat more than 50 kinds of marine life. B) They populate the tropical regions of the Indian and Western Pacific Oceans. C) Their front flippers have nails that resemble the nails on elephant feet. D) Their fur is thick, and each hair is dense for better insulation. E) They are short animals that can reach lengths of only up to 2 meters.

Their front flippers have nails that resemble the nails on elephant feet

Which of the following allows cetaceans to remain submerged for extended periods of time? A) Their muscle tissue is more sensitive to high levels of carbon dioxide. B) They are physiologically immune to the effects of deep diving. C) They have strong rigid rib cages. D) Their muscles can continue to function when oxygen becomes depleted

Their muscles can continue to function when oxygen becomes depleted

Which of the following statements regarding sea otters is correct? A) Their bodies are covered with sparse hairs, which are concentrated around the mouth. B) They are some of the largest marine mammals. C) They are one of the few types of animals known to use tools. D) They continually lick themselves to clean their fur and add an insulating layer of air. E) They no longer inhabit all areas where they were hunted.

They are one of the few types of animals known to use tools

Which of the following statements regarding sea lions and fur seals is correct? A) They can ascend climb stairs and do other acrobatic tricks. B) Their tusks are used for hauling themselves onto icebergs. C) They are called the earless seals. D) They have prominent claws that extend from their fore flippers. E) They cannot move their rear flippers underneath their bodies.

They can ascend climb stairs and do other acrobatic tricks

Which of the following allows cetaceans to remain submerged for extended periods of time? A) They are faster breathers than terrestrial animals. B) They have less myoglobin in their muscle tissue as terrestrial animals. C) They can extract almost 90% of the oxygen in each breath. D) They have a smaller blood volume per unit of body mass. E) Some have less red blood cells per unit of blood volume as terrestrial animals.

They can extract almost 90% of the oxygen in each breath

Which of the following statements regarding Manatees is correct? A) They populate the tropical regions of the Indian and Western Pacific Oceans. B) Their land-dwelling ancestors were bear like. C) They are the only vegetarian marine mammals. D) They are known as "sea hippos." E) They have a paddle like tail and rounded front flippers.

They have a paddle like tail and rounded front flippers

Which of the following statements regarding dugongs is correct? A) They are concentrated in coastal areas of the tropical Atlantic Ocean. B) Their fur is thick, and each hair is dense for better insulation. C) Their land-dwelling ancestors were cow like. D) They are short animals that can reach lengths of only up to 2 meters. E) They have a paddle like tail and rounded front flippers

They have a paddle like tail and rounded front flippers

Which of the following statements regarding sea otters is correct? A) They have not made comeback since being hunted to the brink of extinction. B) They only eat one kind of marine life. C) They have extremely thin fur, which was highly sought for pelts. D) They inhabit kelp beds in coastal waters of the Atlantic coast of Canada. E) They have high caloric requirements and are voracious eaters.

They have high caloric requirements and are voracious eaters.

Which of the following statements regarding walruses is correct? A) Their hair is hollow for better insulation. B) Their sharp claws are used for hauling themselves onto icebergs. C) Their tusks are used for prying and killing. D) They lack an insulating layer of blubber. E) They have ivory tusks up to 1 meter long

They have ivory tusks up to 1 meter long

Which of the following facts supporting advanced toothed whale intelligence is correct? A) Some wild dolphins have been reported to attack drowning humans. B) They have large brains relative to their body size. C) They resist being trained to respond to human hand signals. D) Their brains are highly compartmentalized. E) They can communicate with humans by using sound.

They have large brains relative to their body size

Which of the following statements regarding polar bears is correct? A) They have small teeth and sharp claws, which they use for prying and killing. B) They have massive webbed paws that make them excellent swimmers. C) They were hunted to the brink of extinction in the late 1800s. D) Their fur is thick, and each hair is dense for better insulation. E) Their diet consists mainly of walrus.

They have massive webbed paws that make them excellent swimmers

Which of the following statements regarding seals is correct? A) They can move around on land very well resembling speedy caterpillars. B) They have prominent claws that extend from their fore flippers. C) They have prominent ear flaps. D) Their tusks are used for hauling themselves onto icebergs. E) They have large prominent front flippers.

They have prominent claws that extend from their fore flippers

Which of the following statements regarding sea otters is correct? A) They do not move around on land very well. B) They inhabit kelp beds in coastal waters of the eastern North Pacific Ocean. C) They seem particularly playful because of their habit of continually licking themselves. D) They have a thick insulating layer of blubber. E) They were brought back from the brink of extinction in the late 1800s.

They inhabit kelp beds in coastal waters of the eastern North Pacific Ocean

Which of the following is not a characteristic of Class Mammalia? A) The females of each species have mammary glands. B) They breathe air. C) They are warm-blooded. D) They have hair or fur at some point during development. E) They lay eggs

They lay eggs

Which of the following statements regarding seals is correct? A) They can move around on land very well resembling speedy caterpillars. B) They propel themselves through water by using their rear flippers. C) They lack claws that extend from their fore flippers. D) They are called the eared seals or false seals. E) They can move their rear flippers underneath their bodies.

They propel themselves through water by using their rear flippers

Which of the following characteristics is not found in cruising fishes such as tuna? A) They swim constantly in search of prey. B) They tend to have lunate tails. C) They are capable of short periods of high-speed swimming. D) Their muscle tissues are mostly red. E) They rely on a swim bladder for neutral buoyancy

They rely on a swim bladder for neutral buoyancy

Which of the following statements of the Pacific Coast Feeding Group is correct? A) They cannot survive in cold water and live year round in southern California. B) Their newborn calves are born along the Pacific coast from Washington to California. C) They spend the summer along the Pacific coast from Canada to northern California. D) They feed primarily in cold high-latitude waters in the coastal Arctic Ocean. E) They do not migrate at all because they don't store enough fat to survive the migration.

They spend the summer along the Pacific coast from Canada to Northern California

Which of the following animals doesn't use a rigid gas container or a swim bladder? A) Tuna B) Sea Bass C) Grouper D) Nautilus E) Sepia

Tuna

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. A) Anal B) Caudal C) Ventral D) Pelvic E) Dorsal

Ventral

Squid swim by expelling water out a siphon to propel themselves ________ A) forward B) backward C) leftward D) rightward E) downward

backward

Dolphins and porpoises emit sounds from their ________ A) blowhole B) melon C) museau du singe D) junk E) nostril

blowhole

Gray whales feed primarily on sea floor organisms in ________ in the ________ A) cold high-latitude waters; winter B) cold high-latitude waters; summer C) mild mid-latitude waters; spring D) tropical lagoons; summer E) tropical lagoons; winter

cold high-latitude waters; summer

Microscopic, shrimplike animals that have a hard exoskeleton that can be either herbivorous, carnivorous, or parasitic are called ________ A) foraminifers B) radiolarians C) copepods D) fishes E) cnidarians

copepods

Squid have two long arms and ________ short arms. A) eight B) six C) four D) two E) ten

eight

Most high-speed fish use their caudal fins ________ A) for swim propulsion B) primarily as stabilizers C) to hold onto prey D) to increase the surface area E) to turn, brake, and balance

for swim propulsion

Red muscle tissue in fish supplies a much ________ amount of oxygen and supports a much ________ metabolic rate than white tissue. A) greater; higher B) lesser; lower C) greater; lower D) lesser; higher

greater; higher

Sea lions are easily distinguished from seals because they ________ A) cannot rotate their front flippers backward B) use their rear flippers for swimming C) have external ears D) cannot rotate their front flippers forward E) have a short neck

have external ears

The shape of the caudal fin of a shark is referred to as ________ A) lunate B) rounded C) forked D) heterocercal E) truncate

heterocercal

The caudal fin shape that is asymmetrical, with most of the mass in the upper lobe, is a ________ A) forked fin B) rounded fin C) truncate fin D) lunate fin E) heterocercal fin

heterocercal fin

Organisms such as a mackerel sharks and tunas that can maintain a relatively constant body temperature are referred to as ________ A) poikilothermic B) homeothermic C) ectothermic D) cold-blooded E) None of the above is correct.

homeothermic

Cruisers are thought to have relatively high body temperature because ________ A) it helps them blend more easily with their environment B) it increases the power output of muscle tissue C) they are cold blooded D) it assists them in predator avoidance E) they only need to move periodically

it increases the power output of muscle tissue

White muscle tissue in fish supplies a much ________ amount of oxygen and supports a much ________ metabolic rate than red tissue. A) greater; higher B) greater; lower C) lower; lower D) lower; higher

lower; lower

The caudal fin of fast-cruising fish such as tuna is _________ A) lunate B) truncate C) forked D) heterocercal E) rounded

lunate

The gray whale and other baleen whales migrate every year to ________ A) feed in the tropics during the summer B) feed in the tropics during the winter C) mate and give birth in the tropics during the winter D) mate and give birth in the Arctic and Antarctic regions during the summer E) feed in the Arctic and Antarctic regions during the winter

mate and give birth in the Arctic and Antarctic regions during the summer

In dolphins and porpoises, an organ called the ________ focuses the sounds they generate. A) spermaceti organ B) junk C) nostril D) museau du singe E) melon

melon

Squids, fish, sea turtles, and marine mammals are examples of ________ organisms. A) nektonic B) phytoplanktonic C) zooplanktonic D) benthic E) abyssal

nektonic

Gray whales begin to migrate south when ________ A) killer whales start to attack B) the calves are nursing C) the first calves are born D) pack ice begins to form E) breeding has concluded

pack ice begins to form

A squids mouthpiece resembles a ________ A) volcanic crater B) suction cup C) dog's mouth D) dolphin's blowhole E) parrot's beak

parrot's beak

An organism such as a fish whose body temperature is nearly the same as the environment is referred to as ________. A) endothermic B) poikilothermic C) homeothermic D) warm-blooded

poikilothermic

Most active swimming fish use dorsal and anal fins ________ A) for swim propulsion B) primarily as stabilizers C) to hold onto prey D) to increase the surface area E) to turn, brake, and balance

primarily as stabilizers

Most active swimming fish use vertical fins ________ A) for swim propulsion B) primarily as stabilizers C) to hold onto prey D) to increase the surface area E) to turn, brake, and balance

primarily as stabilizers

Which of the following animals uses a swim bladder to achieve neutral buoyancy? A) tuna B) sepia C) sharks D) nautilus E) snapper

snapper

White muscle tissue in fish is ________ and contains much ________ concentrations of myoglobin than red muscle tissue. A) thicker; lower B) thinner; higher C) thinner; lower D) thicker; higher

thicker; lower

Red muscle tissue in fish is ________ and contains much ________ concentrations of myoglobin than white muscle tissue. A) thinner; higher B) thicker; higher C) thicker; lower D) thinner; lower

thinner; higher

The function of a swim bladder is ________ A) to prevent predators from eating the puffer fish B) to assist the organism in steering with the currents C) to increase the surface area of the organism to prevent sinking D) to allow a fish to change position in the water column E) to increase the density of the organism to keep it afloat

to allow a fish to change position in the water column

Most active swimming fish use pelvic fins and pectoral fins ________ A) for swim propulsion B) primarily as stabilizers C) to hold onto prey D) to increase the surface area E) to turn, brake, and balance

to turn, brake, and balance

Gray whales breed and give birth in ________ in the ________ A) mild mid-latitude waters; spring B) cold high-latitude waters; summer C) tropical lagoons; winter D) cold high-latitude waters; winter E) tropical lagoons; summer

tropical lagoons; winter

An example of a "cruiser" is a ________ A) flounder B) tuna C) shark D) grouper E) mackerel

tuna

The muscle tissue of a "lunger" is predominantly ________ A) gray B) pink C) blue D) white E) red

white


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