Question 1

The radula and crystalline style of molluscs are part of their:

Accepted Answer

A) Reproductive system. 
B) Defensive mechanisms. 
C) Excretory system. 
D) Nervous system. 
E) Digestive system. 
A) Reproductive system. 
B) Defensive mechanisms. 
C) Excretory system. 
D) Nervous system. 
E) Digestive system.

Question 2

Deposit-feeding animals feed on:

Accepted Answer

A) Blood and living tissues. 
B) Particulate matter in the water. 
C) Plankton from the water that passively enters the digestive system. 
D) Live prey. 
E) Organic matter that settles on the bottom. 
A) Blood and living tissues. 
B) Particulate matter in the water. 
C) Plankton from the water that passively enters the digestive system. 
D) Live prey. 
E) Organic matter that settles on the bottom.

Question 3

Flatworms are characterized by having:

Accepted Answer

A) Radial symmetry. 
B) A central nervous system. 
C) Tentacles used for filter feeding. 
D) Nematocysts. 
E) A complete digestive tract. 
A) Radial symmetry. 
B) A central nervous system. 
C) Tentacles used for filter feeding. 
D) Nematocysts. 
E) A complete digestive tract.

Question 4

A zoea would be a larval form of which of these organisms?

Accepted Answer

A) Mussel 
B) Octopus 
C) Barnacle 
D) Crab 
A) Mussel 
B) Octopus 
C) Barnacle 
D) Crab

Question 5

The development of bilateral symmetry in invertebrates has particularly influenced the evolution of a more complex:

Accepted Answer

A) Digestive system. 
B) Reproductive system. 
C) Skeleton. 
D) Mouth. 
E) Nervous system. 
A) Digestive system. 
B) Reproductive system. 
C) Skeleton. 
D) Mouth. 
E) Nervous system.

Question 6

An example of an anthozoan is:

Accepted Answer

A) Portuguese-Man-of War. 
B) Colonial hydroid. 
C) Sea nettle jellyfish. 
D) Sea wasp. 
E) Reef coral. 
A) Portuguese-Man-of War. 
B) Colonial hydroid. 
C) Sea nettle jellyfish. 
D) Sea wasp. 
E) Reef coral.

Question 7

Which of the following are not correctly paired?

Accepted Answer

A) Class Gastropoda-mussels. 
B) Class Bivalvia-oysters. 
C) Class Polyplacophora-chitons. 
D) Class Cephalopoda-octopus. 
A) Class Gastropoda-mussels. 
B) Class Bivalvia-oysters. 
C) Class Polyplacophora-chitons. 
D) Class Cephalopoda-octopus.

Question 8

In a bilaterally symmetrical animal,which of the following is not correctly paired?

Accepted Answer

A) Dorsal surface -upper surface 
B) Anterior surface -head 
C) Posterior surface -rear end 
D) Ventral surface -brain 
A) Dorsal surface -upper surface 
B) Anterior surface -head 
C) Posterior surface -rear end 
D) Ventral surface -brain

Question 9

The term for changing exoskeletons by crustaceans is:

Accepted Answer

A) undulate. 
B) molt. 
C) Byssal secretion. 
D) Asexual mitosis. 
A) undulate. 
B) molt. 
C) Byssal secretion. 
D) Asexual mitosis.

Question 10

Comb jellies are classified as:

Accepted Answer

A) Cnidarians. 
B) Ctenophores. 
C) Platyhelminthes. 
D) Sipunculans. 
A) Cnidarians. 
B) Ctenophores. 
C) Platyhelminthes. 
D) Sipunculans.

Question 11

Which of the following organisms has a siphon?

Accepted Answer

A) Cnidarians 
B) Ctenophores 
C) Nudibranchs 
D) Cephalopods 
A) Cnidarians 
B) Ctenophores 
C) Nudibranchs 
D) Cephalopods

Question 12

Most cnidarians are specialized as:

Accepted Answer

A) Filter feeders. 
B) Parasites. 
C) Carnivores. 
D) Plant-feeders. 
E) Feeders of organic matter on the bottom. 
A) Filter feeders. 
B) Parasites. 
C) Carnivores. 
D) Plant-feeders. 
E) Feeders of organic matter on the bottom.

Question 13

Animals,all members of the kingdom Animalia,are characterized by all of the following except one:

Accepted Answer

A) They can be eukaryotic and mutlicellular. 
B) Most are multicellular. 
C) Some are autotrophs. 
D) Some lack a backbone. 
E) Some are eukaryotic and unicellular. 
A) They can be eukaryotic and mutlicellular. 
B) Most are multicellular. 
C) Some are autotrophs. 
D) Some lack a backbone. 
E) Some are eukaryotic and unicellular.

Question 14

Which of these organisms is most highly evolved?

Accepted Answer

A) A Tunicate 
B) A Lancelet 
C) A sea urchin 
D) A crinoid 
A) A Tunicate 
B) A Lancelet 
C) A sea urchin 
D) A crinoid

Question 15

All sponges share only one of these features:

Accepted Answer

A) They are all marine. 
B) They reproduce by asexual reproduction only. 
C) They have specialized circulatory organs. 
D) They have neumatocysts. 
E) They are multicellular. 
A) They are all marine. 
B) They reproduce by asexual reproduction only. 
C) They have specialized circulatory organs. 
D) They have neumatocysts. 
E) They are multicellular.

The radula and crystalline style of molluscs are part of their:

Deposit-feeding animals feed on:

Flatworms are characterized by having:

A zoea would be a larval form of which of these organisms?

The development of bilateral symmetry in invertebrates has particularly influenced the evolution of a more complex:

An example of an anthozoan is:

Which of the following are not correctly paired?

In a bilaterally symmetrical animal,which of the following is not correctly paired?

The term for changing exoskeletons by crustaceans is:

Comb jellies are classified as:

Which of the following organisms has a siphon?

Most cnidarians are specialized as:

Animals,all members of the kingdom Animalia,are characterized by all of the following except one:

Which of these organisms is most highly evolved?

All sponges share only one of these features:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

The Microbial World

Multicellular Primary Producers: Seaweeds and Plants

Marine Fishes

Marine Reptiles, Birds, and Mammals

An Introduction to Marine Ecology

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

Resources From the Sea

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters

Exam 7: Marine Animals Without a Backbone

The radula and crystalline style of molluscs are part of their:

Deposit-feeding animals feed on:

Flatworms are characterized by having:

A zoea would be a larval form of which of these organisms?

The development of bilateral symmetry in invertebrates has particularly influenced the evolution of a more complex:

An example of an anthozoan is:

Which of the following are not correctly paired?

In a bilaterally symmetrical animal,which of the following is not correctly paired?

The term for changing exoskeletons by crustaceans is:

Comb jellies are classified as:

Which of the following organisms has a siphon?

Most cnidarians are specialized as:

Animals,all members of the kingdom Animalia,are characterized by all of the following except one:

Which of these organisms is most highly evolved?

All sponges share only one of these features:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

The Microbial World

Multicellular Primary Producers: Seaweeds and Plants

Marine Fishes

Marine Reptiles, Birds, and Mammals

An Introduction to Marine Ecology

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

Resources From the Sea

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters