OCE CHAPTER 14 (EXAM 5: 12, 14, 15)
Microscopic, shrimplike animals that have a hard exoskeleton that can be either herbivorous, carnivorous, or parasitic are called:
copepods.
What is the role of the operculum?
covering the gills of the fish
What is baleen made of?
keratin
The oxygen-storing compound in the red muscle tissue of fishes is called _________.
myoglobin
Which of the following have a hard exoskeleton and a segmented body with jointed legs, forked tails and distinct antennae?
Copepods
Which of the following animals uses an internal chambered structure as a rigid gas container to achieve neutral buoyancy?
Cuttlefish
Which part of the fish is most commonly used to propel high-speed fish?
caudal fins
Which of the following statements regarding sea otters is correct?
They are one of the few types of animals known to use tools.
Which of the following groups of organisms are considered zooplankton? Choose all that apply.
ALL EXCEPT diatoms
Of the following statements about bioluminescence in deep-water nekton, which is/are true? Choose all that apply.
ALL EXCEPT Bioluminescent organs can be used to achieve neutral buoyancy
Which of the following statements about gray whales are true? Choose all that apply.
ALL EXCEPT Gray whales are the largest of the toothed whales.
Which of the following statements about the characteristics of marine mammals are true? Choose all that apply.
ALL EXCEPT Marine mammals need to come ashore to give birth.
Which of the following affect the ability of species to capture food?
All the above affect the ability of pelagic organisms to capture food.
Which of the following have gas chambers that serve as floats and sails that allow the wind to push them across the ocean surface?
Cnidarians
Which of the following have soft bodies that are more than 95% water?
Cnidarians
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?
Commensalism
Which of the following compose the majority of the ocean's zooplankton biomass?
Copepods
Whales evolved from a land-dwelling ancestor similar to which of the following?
Hippopotamus
Despite the International Whaling Commission ban on commercial whaling which of the following nations continues to hunt whales under the guise of scientific research?
Japan
Which of the following is not an adaptation of deep-sea fishes?
Large body sizes
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?
Mutualism
What suborder includes baleen whales?
Mysticeti
Which of the following animals uses an external shell as a rigid gas container to achieve neutral buoyancy?
Nautilus
What feeding strategy best describes that of humpback whales?
One or more individuals cooperate to corral prey using bubbles and then swim vertically to scoop up large quantities of fish.
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?
Parasitism
Which of the following is the most important function of schooling in small fish?
Protection from predators
Which of the following are single-celled, microscopic protozoans that build their hard shells out of silica?
Radiolarians
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?
Shark
Which of the following animals uses an internal chambered structure as a rigid gas container to achieve neutral buoyancy?
Spirula
Which of the following statements regarding Manatees is correct?
Their front flippers have nails that resemble the nails on elephant feet.
Which of the following statements regarding polar bears is correct?
They have massive webbed paws that make them excellent swimmers.
Which of the following statements regarding seals is correct?
They propel themselves through water by using their rear flippers.
Which of the following characteristics is not found in cruising fishes such as tuna?
They rely on a swim bladder for neutral buoyancy.
Which of the following statements of the Pacific Coast Feeding Group is correct?
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?
Tuna
Which of the following is not one of the reasons bioluminescence is employed by deep-sea animals?
Warning coloration
Which set of fins is used as stabilizers?
anal and dorsal
What type of whale feeds primarily on amphipods and shellfish?
gray whales that plunge into the muddy bottom and strain the invertebrates out
What style of feeding is used by whales with rorqual folds?
gulp feeding
Sea lions are easily distinguished from seals because they:
have external ears.
What part of a fish helps it sense vibrations in the water?
lateral lines
The stinging cells used by cnidarians to capture prey are called _________.
nematocysts
The fins used by fishes primarily for maneuvering are _________.
pectoral and pelvic
Which set of fins is used for turning and braking?
pectoral and pelvic
An organism such as a fish whose body temperature is nearly the same as the environment is referred to as:
poikilothermic.
What type of whale captures prey by swimming at the surface with its mouth open to trap plankton in the fringe of its baleen?
skim-feeding right whales
White muscle tissue in fish is ________ and contains much ________ concentrations of myoglobin than red muscle tissue.
thicker; lower
The function of a swim bladder is:
to allow a fish to change position in the water column.
