Question 1

The crabs, lobster, and true shrimp are members of the order:

Accepted Answer

A)  Stomatopoda. 
B)  Decapoda. 
C)  Euphausiacea. 
D)  Amphipoda. 
E)  Isopoda. 
A)  Stomatopoda. 
B)  Decapoda. 
C)  Euphausiacea. 
D)  Amphipoda. 
E)  Isopoda.

Question 2

Which is not a typical food item for polychaetes?

Accepted Answer

A)  live capture of fish 
B)  live capture of invertebrates 
C)  detritus 
D)  suspension feeding on plankton 
A)  live capture of fish 
B)  live capture of invertebrates 
C)  detritus 
D)  suspension feeding on plankton

Question 3

Sea cucumbers belong to the class Echinoidea.

Accepted Answer

A) True 
 B)False

Question 4

The valves of bivalves are closed by the action of:

Accepted Answer

A)  siphons. 
B)  adductor muscles. 
C)  longitudinal muscles. 
D)  myomeres. 
E)  mantle contractions. 
A)  siphons. 
B)  adductor muscles. 
C)  longitudinal muscles. 
D)  myomeres. 
E)  mantle contractions.

Question 5

Match the words with the most closely associated organism.
-Lancelets

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 6

What do sea squirts and mussels have in common?

Accepted Answer

A)  both are in the same phylum. 
B)  both have incurrent and excurrent siphons. 
C)  both are covered in a tunic. 
D)  both reproduce asexually. 
E)  both attach to the substrate using the same materials. 
A)  both are in the same phylum. 
B)  both have incurrent and excurrent siphons. 
C)  both are covered in a tunic. 
D)  both reproduce asexually. 
E)  both attach to the substrate using the same materials.

Question 7

Sea urchins are mostly carnivores.

Accepted Answer

A) True 
 B)False

Question 8

The siphuncle of nautiloids is used for:

Accepted Answer

A)  regulating respiration rate. 
B)  providing propulsion. 
C)  regulating water and gas content within the chambers. 
D)  capturing food. 
E)  reproduction 
A)  regulating respiration rate. 
B)  providing propulsion. 
C)  regulating water and gas content within the chambers. 
D)  capturing food. 
E)  reproduction

Question 9

An important role of burrowing animals is:

Accepted Answer

A)  reducing detritus in the sediment. 
B)  maintaining the structure of marine sediments. 
C)  nutrient cycling. 
D)  circulating water near the bottom. 
A)  reducing detritus in the sediment. 
B)  maintaining the structure of marine sediments. 
C)  nutrient cycling. 
D)  circulating water near the bottom.

Question 10

Match the words with the most closely associated term.
-Cephalochordata

Accepted Answer

A) benthic filter feeders; live as infauna 
B) all types of feeding represented 
C) benthic filter feeders; live as epifauna 
A) benthic filter feeders; live as infauna 
B) all types of feeding represented 
C) benthic filter feeders; live as epifauna

Question 11

Match the class with its most closely associated habitat.
-Copepods

Accepted Answer

A) Sessile on solid substrate 
B) Sand beaches 
C) Pelagic 
A) Sessile on solid substrate 
B) Sand beaches 
C) Pelagic

Question 12

Barnacles live a(n) ____ lifestyle.

Accepted Answer

A)  planktonic 
B)  infaunal 
C)  nektonic 
D)  sessile 
E)  mobile 
A)  planktonic 
B)  infaunal 
C)  nektonic 
D)  sessile 
E)  mobile

Question 13

Match the molluscan class with its most closely associated characteristic.
-Gastropod

Accepted Answer

A) eight plates 
B) head foot 
C) stomach foot 
D) gills strain seawater to collect plankton 
A) eight plates 
B) head foot 
C) stomach foot 
D) gills strain seawater to collect plankton

Question 14

The digestive system of molluscs is found in the:

Accepted Answer

A)  head. 
B)  foot. 
C)  mantle. 
D)  visceral mass. 
E)  mantle cavity. 
A)  head. 
B)  foot. 
C)  mantle. 
D)  visceral mass. 
E)  mantle cavity.

Question 15

The exoskeleton of arthropods is composed of:

Accepted Answer

A)  chitin. 
B)  silica. 
C)  cellulose. 
D)  calcium carbonate. 
E)  starch. 
A)  chitin. 
B)  silica. 
C)  cellulose. 
D)  calcium carbonate. 
E)  starch.

Question 16

What do shipworms and a peanut worms have in common?

Accepted Answer

A)  both can bore through hard substrata. 
B)  both are filter feeders. 
C)  both are in the same phylum. 
D)  both are hermaprodites. 
A)  both can bore through hard substrata. 
B)  both are filter feeders. 
C)  both are in the same phylum. 
D)  both are hermaprodites.

Question 17

Match the phylum with the distinguishing feature.
-Chordata

Accepted Answer

A) Transparent, torpedo-shaped body 
B) Water-vascular system 
C) Post-anal tail 
A) Transparent, torpedo-shaped body 
B) Water-vascular system 
C) Post-anal tail

Question 18

All of the following apply to the subphylum Chelicerata of the phylum Arthropoda except:

Accepted Answer

A)  they have chelicerae. 
B)  males are smaller than females. 
C)  body is composed of three parts. 
D)  they have three pairs of antennae. 
A)  they have chelicerae. 
B)  males are smaller than females. 
C)  body is composed of three parts. 
D)  they have three pairs of antennae.

Question 19

Tube feet of sea stars are used for feeding in addition to locomotion.

Accepted Answer

A) True 
 B)False

Question 20

Arthropods having two pairs of antennae belong to the subphylum:

Accepted Answer

A)  Chelicerata. 
B)  Insecta. 
C)  Crustacea. 
D)  Pycnogonida. 
E)  Cirrepedia. 
A)  Chelicerata. 
B)  Insecta. 
C)  Crustacea. 
D)  Pycnogonida. 
E)  Cirrepedia.

The crabs, lobster, and true shrimp are members of the order:

Which is not a typical food item for polychaetes?

Sea cucumbers belong to the class Echinoidea.

The valves of bivalves are closed by the action of:

Match the words with the most closely associated organism. -Lancelets

What do sea squirts and mussels have in common?

Sea urchins are mostly carnivores.

The siphuncle of nautiloids is used for:

An important role of burrowing animals is:

Match the words with the most closely associated term. -Cephalochordata

Match the class with its most closely associated habitat. -Copepods

Barnacles live a(n) ____ lifestyle.

Match the molluscan class with its most closely associated characteristic. -Gastropod

The digestive system of molluscs is found in the:

The exoskeleton of arthropods is composed of:

What do shipworms and a peanut worms have in common?

Match the phylum with the distinguishing feature. -Chordata

All of the following apply to the subphylum Chelicerata of the phylum Arthropoda except:

Tube feet of sea stars are used for feeding in addition to locomotion.

Arthropods having two pairs of antennae belong to the subphylum:

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

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Exam 9: Higher Invertebrates

The crabs, lobster, and true shrimp are members of the order:

Which is not a typical food item for polychaetes?

Sea cucumbers belong to the class Echinoidea.

The valves of bivalves are closed by the action of:

Match the words with the most closely associated organism. -Lancelets

What do sea squirts and mussels have in common?

Sea urchins are mostly carnivores.

The siphuncle of nautiloids is used for:

An important role of burrowing animals is:

Match the words with the most closely associated term. -Cephalochordata

Match the class with its most closely associated habitat. -Copepods

Barnacles live a(n) ____ lifestyle.

Match the molluscan class with its most closely associated characteristic. -Gastropod

The digestive system of molluscs is found in the:

The exoskeleton of arthropods is composed of:

What do shipworms and a peanut worms have in common?

Match the phylum with the distinguishing feature. -Chordata

All of the following apply to the subphylum Chelicerata of the phylum Arthropoda except:

Tube feet of sea stars are used for feeding in addition to locomotion.

Arthropods having two pairs of antennae belong to the subphylum:

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