Question 1

Sea spiders belong to the subphylum Crustacea.

Accepted Answer

A) True 
 B)False

Question 2

The function of chelicerae is similar to that of the __________ in crabs and lobsters.

Accepted Answer

A)  reproductive organs. 
B)  antenna. 
C)  mouthparts. 
D)  claws. 
A)  reproductive organs. 
B)  antenna. 
C)  mouthparts. 
D)  claws.

Question 3

Match the words with the most closely associated organism.
-Sea squirts

Accepted Answer

A) Eel-like infauna 
B) Sessile epifauna 
C) Barrel-shaped, transparent plankton 
A) Eel-like infauna 
B) Sessile epifauna 
C) Barrel-shaped, transparent plankton

Question 4

Echinoderms exhibit modified ____ symmetry.

Accepted Answer

A)  asymmetric 
B)  bilateral 
C)  radial 
D)  triradial 
A)  asymmetric 
B)  bilateral 
C)  radial 
D)  triradial

Question 5

Match the characteristic of the coleoid group with the group.
-Nautilus

Accepted Answer

A) eight arms 
B) ten arms in five pairs 
C) small internal shell 
D) large external shell 
A) eight arms 
B) ten arms in five pairs 
C) small internal shell 
D) large external shell

Question 6

Scaphopods use tentacles on their heads for capturing their prey.

Accepted Answer

A) True 
 B)False

Question 7

What is false about decapods?

Accepted Answer

A)  first walking legs are usually modified. 
B)  eyes are compound. 
C)  they have only one pair of antennae. 
D)  mandibles are used to crush food. 
E)  sexes are usually separate. 
A)  first walking legs are usually modified. 
B)  eyes are compound. 
C)  they have only one pair of antennae. 
D)  mandibles are used to crush food. 
E)  sexes are usually separate.

Question 8

Of the marine arthropods, in which group does the male carry the eggs?

Accepted Answer

A)  Mandibulates 
B)  Crustaceans 
C)  Decapoda 
D)  Sea spiders 
E)  Barnacles 
A)  Mandibulates 
B)  Crustaceans 
C)  Decapoda 
D)  Sea spiders 
E)  Barnacles

Question 9

Small structures used for removing debris from the surface of sea stars are:

Accepted Answer

A)  madreporites. 
B)  spines. 
C)  tubercles. 
D)  pedicellariae. 
E)  the dermal gills. 
A)  madreporites. 
B)  spines. 
C)  tubercles. 
D)  pedicellariae. 
E)  the dermal gills.

Question 10

Match the words with the most closely associated organism.
-Sea stars

Accepted Answer

A) Bilateral flattened 
B) Five arms attach to central region 
C) Radial oval test 
D) Five arms attach to a round central disk 
A) Bilateral flattened 
B) Five arms attach to central region 
C) Radial oval test 
D) Five arms attach to a round central disk

Question 11

Sea cucumbers belong to the class:

Accepted Answer

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

Question 12

The most common planktonic stage of the majority of marine gastropod species is the:

Accepted Answer

A)  trochophore larva. 
B)  veliger larva. 
C)  megalopa larva. 
D)  zoea larva. 
E)  planula larva. 
A)  trochophore larva. 
B)  veliger larva. 
C)  megalopa larva. 
D)  zoea larva. 
E)  planula larva.

Question 13

In chelicerates, the abdomen and telson are fused.

Accepted Answer

A) True 
 B)False

Question 14

Water enters the water vascular system of echinoderms through the:

Accepted Answer

A)  spines. 
B)  mouth. 
C)  madreporite. 
D)  tubercle. 
E)  tube feet. 
A)  spines. 
B)  mouth. 
C)  madreporite. 
D)  tubercle. 
E)  tube feet.

Question 15

Every type of mollusc has a radula.

Accepted Answer

A) True 
 B)False

Question 16

Match the words with the most closely associated organism.
-Sea urchins

Accepted Answer

A) Bilateral flattened 
B) Five arms attach to central region 
C) Radial oval test 
D) Five arms attach to a round central disk 
A) Bilateral flattened 
B) Five arms attach to central region 
C) Radial oval test 
D) Five arms attach to a round central disk

Question 17

The ____ have cerata on their surface for gas exchange.

Accepted Answer

A)  nudibranchs 
B)  limpets 
C)  scaphpods 
D)  chitons 
E)  cephalopods 
A)  nudibranchs 
B)  limpets 
C)  scaphpods 
D)  chitons 
E)  cephalopods

Question 18

Snails, limpets and abalone are all gastropods.

Accepted Answer

A) True 
 B)False

Question 19

____ are important as food in parts of Asia, and fed to chickens in Brazil.

Accepted Answer

A)  Sea squirts 
B)  Salps 
C)  Larvaceans 
D)  Cephalochordates 
E)  Nudibranchs 
A)  Sea squirts 
B)  Salps 
C)  Larvaceans 
D)  Cephalochordates 
E)  Nudibranchs

Question 20

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

Accepted Answer

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

Sea spiders belong to the subphylum Crustacea.

The function of chelicerae is similar to that of the __________ in crabs and lobsters.

Match the words with the most closely associated organism. -Sea squirts

Echinoderms exhibit modified ____ symmetry.

Match the characteristic of the coleoid group with the group. -Nautilus

Scaphopods use tentacles on their heads for capturing their prey.

What is false about decapods?

Of the marine arthropods, in which group does the male carry the eggs?

Small structures used for removing debris from the surface of sea stars are:

Match the words with the most closely associated organism. -Sea stars

Sea cucumbers belong to the class:

The most common planktonic stage of the majority of marine gastropod species is the:

In chelicerates, the abdomen and telson are fused.

Water enters the water vascular system of echinoderms through the:

Every type of mollusc has a radula.

Match the words with the most closely associated organism. -Sea urchins

The ____ have cerata on their surface for gas exchange.

Snails, limpets and abalone are all gastropods.

____ are important as food in parts of Asia, and fed to chickens in Brazil.

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

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

Sea spiders belong to the subphylum Crustacea.

The function of chelicerae is similar to that of the __________ in crabs and lobsters.

Match the words with the most closely associated organism. -Sea squirts

Echinoderms exhibit modified ____ symmetry.

Match the characteristic of the coleoid group with the group. -Nautilus

Scaphopods use tentacles on their heads for capturing their prey.

What is false about decapods?

Of the marine arthropods, in which group does the male carry the eggs?

Small structures used for removing debris from the surface of sea stars are:

Match the words with the most closely associated organism. -Sea stars

Sea cucumbers belong to the class:

The most common planktonic stage of the majority of marine gastropod species is the:

In chelicerates, the abdomen and telson are fused.

Water enters the water vascular system of echinoderms through the:

Every type of mollusc has a radula.

Match the words with the most closely associated organism. -Sea urchins

The ____ have cerata on their surface for gas exchange.

Snails, limpets and abalone are all gastropods.

____ are important as food in parts of Asia, and fed to chickens in Brazil.

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

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