Question 1

Larvacean tunicates feed by means of:

Accepted Answer

A)  a mucus bubble that surrounds them. 
B)  feathery appendages. 
C)  sharp teeth. 
D)  sucking on benthic deposits. 
E)  collar cells. 
A)  a mucus bubble that surrounds them. 
B)  feathery appendages. 
C)  sharp teeth. 
D)  sucking on benthic deposits. 
E)  collar cells.

Question 2

Describe how and why some species of nudibranchs use the stinging nematocysts of cnidarians.

Accepted Answer

The diet of some nudibranchs consists of

Question 3

Match the characteristic with the organism it is most closely associated with.
-Krill

Accepted Answer

A) Photophore 
B) Chelicerae 
C) Mandibles 
A) Photophore 
B) Chelicerae 
C) Mandibles

Question 4

Sea cucumbers and sedentary annelid worms share all but which in common?

Accepted Answer

A)  both can be deposit feeders. 
B)  both have oral structures to collect detritus. 
C)  similar body segmentation. 
D)  digestive tract is a straight tube 
A)  both can be deposit feeders. 
B)  both have oral structures to collect detritus. 
C)  similar body segmentation. 
D)  digestive tract is a straight tube

Question 5

Arroworms immobilize their prey with:

Accepted Answer

A)  tetrodotoxin. 
B)  stinging cells. 
C)  engulfing with their mouth. 
D)  oral tentacles. 
E)  grasping spines. 
A)  tetrodotoxin. 
B)  stinging cells. 
C)  engulfing with their mouth. 
D)  oral tentacles. 
E)  grasping spines.

Question 6

Identify the main types of bivalves and describe how they differ in their life habits.

Accepted Answer

Included within the class Bivalvia are t

Question 7

Which of the following is not a characteristic of salps?

Accepted Answer

A)  Free-swimming lifestyle 
B)  Incurrent and excurrent siphons 
C)  Radial symmetry 
D)  Bioluminescence 
E)  Filter-feeding 
A)  Free-swimming lifestyle 
B)  Incurrent and excurrent siphons 
C)  Radial symmetry 
D)  Bioluminescence 
E)  Filter-feeding

Question 8

Swarming in polychaetes for reproduction appears to be timed by:

Accepted Answer

A)  biorhythms of the animals. 
B)  lunar cycle and tides. 
C)  solar cycle and tides. 
D)  temperature. 
E)  current direction. 
A)  biorhythms of the animals. 
B)  lunar cycle and tides. 
C)  solar cycle and tides. 
D)  temperature. 
E)  current direction.

Question 9

The class of echinoderms that releases tubules or eviscerates internal organs is called:

Accepted Answer

A)  Holothuroidea. 
B)  Asteroidea. 
C)  Ophiuroidea. 
D)  Echinoidea. 
E)  Crinoidea. 
A)  Holothuroidea. 
B)  Asteroidea. 
C)  Ophiuroidea. 
D)  Echinoidea. 
E)  Crinoidea.

Question 10

Why is it especially important that some echinoderms, like the sea stars, maintain an aboral surface free of debris and settling larvae?

Accepted Answer

Sea stars rely on a water vascular syste

Question 11

Those echinoderms with a globular or flattened test are of the class:

Accepted Answer

A)  Holothuroidea. 
B)  Asteroidea. 
C)  Ophiuroidea. 
D)  Echinoidea. 
E)  Crinoidea. 
A)  Holothuroidea. 
B)  Asteroidea. 
C)  Ophiuroidea. 
D)  Echinoidea. 
E)  Crinoidea.

Question 12

The radula functions to:

Accepted Answer

A)  filter feed. 
B)  assist in reproduction. 
C)  scrape algae off of rocks. 
D)  assist in osmoregulation. 
E)  secrete the shell. 
A)  filter feed. 
B)  assist in reproduction. 
C)  scrape algae off of rocks. 
D)  assist in osmoregulation. 
E)  secrete the shell.

Question 13

What do cephalopods and crustaceans have in common?

Accepted Answer

A)  they both have sharp, tearing beaks. 
B)  both have compound eyes. 
C)  both are nektonic predators. 
D)  in males, both transfer spermatophores into the female. 
A)  they both have sharp, tearing beaks. 
B)  both have compound eyes. 
C)  both are nektonic predators. 
D)  in males, both transfer spermatophores into the female.

Question 14

The most common marine annelids are:

Accepted Answer

A)  polychaetes. 
B)  roundworms. 
C)  earthworms. 
D)  leeches. 
E)  ribbon worms. 
A)  polychaetes. 
B)  roundworms. 
C)  earthworms. 
D)  leeches. 
E)  ribbon worms.

Question 15

All gastropods are covered by one external shell.

Accepted Answer

A) True 
 B)False

Question 16

Chitons, snails, clams and squid all belong to this phylum:

Accepted Answer

A)  Mollusca. 
B)  Gastropoda. 
C)  Bivalvia. 
D)  Platyhelminthes. 
E)  Cephalopoda. 
A)  Mollusca. 
B)  Gastropoda. 
C)  Bivalvia. 
D)  Platyhelminthes. 
E)  Cephalopoda.

Question 17

Most bivalves are:

Accepted Answer

A)  predators. 
B)  parasites. 
C)  filter feeders. 
D)  grazers. 
E)  detritivores. 
A)  predators. 
B)  parasites. 
C)  filter feeders. 
D)  grazers. 
E)  detritivores.

Question 18

The following phylum is characterized by having a hydrostatic skeleton:

Accepted Answer

A)  Mollusca. 
B)  Annelida. 
C)  Cnidaria. 
D)  Porifera. 
E)  Platyhelminthes. 
A)  Mollusca. 
B)  Annelida. 
C)  Cnidaria. 
D)  Porifera. 
E)  Platyhelminthes.

Question 19

A sea squirt uses its ____ for food collection and gas exchange.

Accepted Answer

A)  siphon 
B)  pharynx 
C)  tunic 
D)  mantle 
E)  radula 
A)  siphon 
B)  pharynx 
C)  tunic 
D)  mantle 
E)  radula

Question 20

Most large crustaceans exchange gases through their exoskeletons.

Accepted Answer

A) True 
 B)False

Larvacean tunicates feed by means of:

Describe how and why some species of nudibranchs use the stinging nematocysts of cnidarians.

Match the characteristic with the organism it is most closely associated with. -Krill

Sea cucumbers and sedentary annelid worms share all but which in common?

Arroworms immobilize their prey with:

Identify the main types of bivalves and describe how they differ in their life habits.

Which of the following is not a characteristic of salps?

Swarming in polychaetes for reproduction appears to be timed by:

The class of echinoderms that releases tubules or eviscerates internal organs is called:

Why is it especially important that some echinoderms, like the sea stars, maintain an aboral surface free of debris and settling larvae?

Those echinoderms with a globular or flattened test are of the class:

The radula functions to:

What do cephalopods and crustaceans have in common?

The most common marine annelids are:

All gastropods are covered by one external shell.

Chitons, snails, clams and squid all belong to this phylum:

Most bivalves are:

The following phylum is characterized by having a hydrostatic skeleton:

A sea squirt uses its ____ for food collection and gas exchange.

Most large crustaceans exchange gases through their exoskeletons.

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters

Exam 9: Higher Invertebrates

Larvacean tunicates feed by means of:

Describe how and why some species of nudibranchs use the stinging nematocysts of cnidarians.

Match the characteristic with the organism it is most closely associated with. -Krill

Sea cucumbers and sedentary annelid worms share all but which in common?

Arroworms immobilize their prey with:

Identify the main types of bivalves and describe how they differ in their life habits.

Which of the following is not a characteristic of salps?

Swarming in polychaetes for reproduction appears to be timed by:

The class of echinoderms that releases tubules or eviscerates internal organs is called:

Why is it especially important that some echinoderms, like the sea stars, maintain an aboral surface free of debris and settling larvae?

Those echinoderms with a globular or flattened test are of the class:

The radula functions to:

What do cephalopods and crustaceans have in common?

The most common marine annelids are:

All gastropods are covered by one external shell.

Chitons, snails, clams and squid all belong to this phylum:

Most bivalves are:

The following phylum is characterized by having a hydrostatic skeleton:

A sea squirt uses its ____ for food collection and gas exchange.

Most large crustaceans exchange gases through their exoskeletons.

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters