Question 1

A contemporary mollusk in which many of the ancestral characteristics remain is a(n)

Accepted Answer

A) squid. 
B) oyster. 
C) chiton. 
D) octopus. 
E) snail. 
A) squid. 
B) oyster. 
C) chiton. 
D) octopus. 
E) snail. C

Question 2

The evolutionary innovation that first appeared in arthropods and is characteristic of the most successful of all animal groups is that of

Accepted Answer

A) bilateral symmetry. 
B) coelomic body architecture. 
C) jointed appendages. 
D) segmentation. 
E) three primary types of tissues. 
A) bilateral symmetry. 
B) coelomic body architecture. 
C) jointed appendages. 
D) segmentation. 
E) three primary types of tissues. C

Question 3

Select the mismatched pair of Phylum Mollusca classes and their examples.

Accepted Answer

A) Polyplacophora-chitons 
B) Gastropoda-slugs 
C) Bivalvia-snails 
D) Cephalopoda-nautilus 
E) Gastropoda-nudibranchs 
A) Polyplacophora-chitons 
B) Gastropoda-slugs 
C) Bivalvia-snails 
D) Cephalopoda-nautilus 
E) Gastropoda-nudibranchs C

Question 4

Choose the letter of the best match from the following:
-Usually flattened dorsoventrally and occur mostly in fresh water;most are predators or scavengers,but some have developed the habit of sucking blood.

Accepted Answer

A) lophophorates 
B) gastropods 
C) cephalopods 
D) annelids 
E) leeches 
A) lophophorates 
B) gastropods 
C) cephalopods 
D) annelids 
E) leeches

Question 5

Annelids possess all of the following except

Accepted Answer

A) muscles to swim,crawl,and burrow. 
B) ganglia to respond to light and respond to other environmental cues. 
C) circulatory,excretory,and neural elements in each segment. 
D) setae in each segment. 
E) adductor muscles. 
A) muscles to swim,crawl,and burrow. 
B) ganglia to respond to light and respond to other environmental cues. 
C) circulatory,excretory,and neural elements in each segment. 
D) setae in each segment. 
E) adductor muscles.

Question 6

You and your biology lab class take a field trip to a marine aquarium.Your guide is a marine biologist who studies squids.She explains to your class how squids are able to blend into their environment.She points out that squids have pouches of pigments embedded in their epithelium.The pouches are called

Accepted Answer

A) trochophores. 
B) spermatophores. 
C) lophophores. 
D) chromatophores. 
E) phytophores. 
A) trochophores. 
B) spermatophores. 
C) lophophores. 
D) chromatophores. 
E) phytophores.

Question 7

The molluscan class ________ includes the snails and slugs.

Accepted Answer

The answer of The molluscan class ________ includes the snails...

Question 8

Oxygen diffuses to the tissues of terrestrial arthropods through the

Accepted Answer

A) arteries. 
B) cells of the cortex. 
C) circulatory system. 
D) lungs. 
E) trachea and tracheoles. 
A) arteries. 
B) cells of the cortex. 
C) circulatory system. 
D) lungs. 
E) trachea and tracheoles.

Question 9

If you examine a spider and an ant,you notice quickly that they are arthropods but they have different characteristics.Select the incorrect choice of characteristics.

Accepted Answer

A) Spiders have a cephalothorax and abdomen;insects have a head,a thorax,and an abdomen. 
B) Spiders and insects have a tracheal respiration system. 
C) Spiders are strictly carnivorous;insects can be carnivorous or herbivorous depending on the species. 
D) Spiders and insects have open circulatory systems. 
E) Spiders do not have wings;many insects do have wings. 
A) Spiders have a cephalothorax and abdomen;insects have a head,a thorax,and an abdomen. 
B) Spiders and insects have a tracheal respiration system. 
C) Spiders are strictly carnivorous;insects can be carnivorous or herbivorous depending on the species. 
D) Spiders and insects have open circulatory systems. 
E) Spiders do not have wings;many insects do have wings.

Question 10

Nauplius,a unique kind of larva,is characteristic of

Accepted Answer

A) mites. 
B) crustaceans. 
C) horseshoe crabs. 
D) insects. 
E) chelicerates. 
A) mites. 
B) crustaceans. 
C) horseshoe crabs. 
D) insects. 
E) chelicerates.

Question 11

All of the following are characteristics of spiders except

Accepted Answer

A) antennae (1 pair). 
B) walking legs (4 pair). 
C) chelicerae (1 pair). 
D) pedipalps (1 pair). 
E) cephalothorax and abdomen. 
A) antennae (1 pair). 
B) walking legs (4 pair). 
C) chelicerae (1 pair). 
D) pedipalps (1 pair). 
E) cephalothorax and abdomen.

Question 12

Which one of the following statements about the phylum Bryozoa is false?

Accepted Answer

A) Possession of a lophophore shows that bryozoans are closely related to brachiopods. 
B) The zoecium of the bryozoans anchors it to the substrate. 
C) Bryozoans are colonial and include both freshwater and marine forms. 
D) During development of bryozoans,the anus forms from the blastopore. 
E) Within a colony,individual bryozoans can be specialized to perform different functions. 
A) Possession of a lophophore shows that bryozoans are closely related to brachiopods. 
B) The zoecium of the bryozoans anchors it to the substrate. 
C) Bryozoans are colonial and include both freshwater and marine forms. 
D) During development of bryozoans,the anus forms from the blastopore. 
E) Within a colony,individual bryozoans can be specialized to perform different functions.

Question 13

All of the following are true about sea stars except

Accepted Answer

A) they are the most familiar echinoderms. 
B) they are the most important predators in many marine ecosystems. 
C) they have a pigmented epidermis. 
D) they are the only echinoderms that are fully sessile. 
E) they are abundant in the intertidal zonE. 
A) they are the most familiar echinoderms. 
B) they are the most important predators in many marine ecosystems. 
C) they have a pigmented epidermis. 
D) they are the only echinoderms that are fully sessile. 
E) they are abundant in the intertidal zonE.

Question 14

Many marine mollusks have distinctive larvae which have their bodies encircled by a row of cilia.These larvae are called

Accepted Answer

A) planulae. 
B) polyps. 
C) miracidia. 
D) zoecia. 
E) trochophores. 
A) planulae. 
B) polyps. 
C) miracidia. 
D) zoecia. 
E) trochophores.

Question 15

Decapod crustaceans (shrimps,lobsters,and crabs)are characterized by all of the following except

Accepted Answer

A) a carapace,a dorsal cephalothorax shield. 
B) a ventral line of appendages,swimmerets. 
C) flattened uropods form a paddle at the end of the abdomen. 
D) a tail spine,telson. 
E) cheliceraE. 
A) a carapace,a dorsal cephalothorax shield. 
B) a ventral line of appendages,swimmerets. 
C) flattened uropods form a paddle at the end of the abdomen. 
D) a tail spine,telson. 
E) cheliceraE.

Question 16

Echinoderms show ______ symmetry as adults and have a five-part body plan.

Accepted Answer

The answer of Echinoderms show ______ symmetry as adults and...

Question 17

Choose the letter of the best match from the following:
-Efficient and often large predators;possess well-developed brains and are the most intelligent of invertebrates;include octopus,squids,and nautilus.

Accepted Answer

A) lophophorates 
B) gastropods 
C) cephalopods 
D) annelids 
E) leeches 
A) lophophorates 
B) gastropods 
C) cephalopods 
D) annelids 
E) leeches

Question 18

Members of the class ________,octopuses,squids,and nautilus,are highly intelligent.

Accepted Answer

The answer of Members of the class ________,octopuses,squids,and nautilus,are highly...

Question 19

All of the following are examples of echinoderms except

Accepted Answer

A) sea cucumbers. 
B) brittle stars. 
C) sand dollars. 
D) sea squirts. 
E) sea daisies. 
A) sea cucumbers. 
B) brittle stars. 
C) sand dollars. 
D) sea squirts. 
E) sea daisies.

Question 20

In some arthropods tagmatization has produced a combination of head and thorax known as a

Accepted Answer

A) cephalothorax. 
B) fused corpora. 
C) headless mite. 
D) larval instar. 
E) thoracotomy. 
A) cephalothorax. 
B) fused corpora. 
C) headless mite. 
D) larval instar. 
E) thoracotomy.

Exam 34: Coelomate Invertebrates

A contemporary mollusk in which many of the ancestral characteristics remain is a(n)

The evolutionary innovation that first appeared in arthropods and is characteristic of the most successful of all animal groups is that of

Select the mismatched pair of Phylum Mollusca classes and their examples.

Choose the letter of the best match from the following: -Usually flattened dorsoventrally and occur mostly in fresh water;most are predators or scavengers,but some have developed the habit of sucking blood.

Annelids possess all of the following except

The molluscan class ________ includes the snails and slugs.

Oxygen diffuses to the tissues of terrestrial arthropods through the

If you examine a spider and an ant,you notice quickly that they are arthropods but they have different characteristics.Select the incorrect choice of characteristics.

Nauplius,a unique kind of larva,is characteristic of

All of the following are characteristics of spiders except

Which one of the following statements about the phylum Bryozoa is false?

All of the following are true about sea stars except

Many marine mollusks have distinctive larvae which have their bodies encircled by a row of cilia.These larvae are called

Decapod crustaceans (shrimps,lobsters,and crabs)are characterized by all of the following except

Echinoderms show ______ symmetry as adults and have a five-part body plan.

Choose the letter of the best match from the following: -Efficient and often large predators;possess well-developed brains and are the most intelligent of invertebrates;include octopus,squids,and nautilus.

Members of the class ________,octopuses,squids,and nautilus,are highly intelligent.

All of the following are examples of echinoderms except

In some arthropods tagmatization has produced a combination of head and thorax known as a

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Population Ecology

Community of Ecology

Dynamics of Ecosystems

The Biosphere

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