Question 1

The study of the kinds of organisms and the evolutionary relationships among them is

Accepted Answer

A) nomenclature. 
B) systematics. 
C) biogeography. 
D) phylogenetics. 
E) zoogeography. 
A) nomenclature. 
B) systematics. 
C) biogeography. 
D) phylogenetics. 
E) zoogeography. B

Question 2

__________ symmetry is the arrangement of body parts in such a way that any plane passing through the oral-aboral axis divides the body into mirror images.

Accepted Answer

A) Cylindrical 
B) Homologous 
C) Bilateral 
D) Spherical 
E) Radial 
A) Cylindrical 
B) Homologous 
C) Bilateral 
D) Spherical 
E) Radial E

Question 3

What kinds of characters are typically used in distinguishing protostomes from deuterostomes?

Accepted Answer

A) feeding characters 
B) adult characters 
C) eukaryotic characters 
D) developmental characters 
E) mitotic characters 
A) feeding characters 
B) adult characters 
C) eukaryotic characters 
D) developmental characters 
E) mitotic characters D

Question 4

Portions of the peritoneum and serosa that are continuous and suspend visceral structures in the body cavity are called

Accepted Answer

A) epithelia. 
B) mesenteries. 
C) ectoderms. 
D) endoderms. 
E) peritoneal serosae. 
A) epithelia. 
B) mesenteries. 
C) ectoderms. 
D) endoderms. 
E) peritoneal serosae.

Question 5

To designate a species correctly,the binomial includes the __________ names.

Accepted Answer

A) phylum and class 
B) genus and species 
C) family and order 
D) class and order 
E) family and genus 
A) phylum and class 
B) genus and species 
C) family and order 
D) class and order 
E) family and genus

Question 6

The standard for naming animals is

Accepted Answer

A) Linnaeus' Systema Naturae. 
B) Aristotle's Scala Naturae. 
C) the Linnaean System of Binomial Nomenclature. 
D) the International Code of Zoological Nomenclature. 
E) Darwin's On the Origin of Species. 
A) Linnaeus' Systema Naturae. 
B) Aristotle's Scala Naturae. 
C) the Linnaean System of Binomial Nomenclature. 
D) the International Code of Zoological Nomenclature. 
E) Darwin's On the Origin of Species.

Question 7

This more traditional approach to systematics relies on the assumption that closely related organisms are more similar compared to distantly related organisms,with certain derived characteristics carrying more weight than others.

Accepted Answer

A) cladistics 
B) paraphyletic grouping 
C) phylogenetic systematics 
D) evolutionary systematics 
A) cladistics 
B) paraphyletic grouping 
C) phylogenetic systematics 
D) evolutionary systematics

Question 8

In diploblastic organisms,the two tissue layers are

Accepted Answer

A) mesoderm and endoderm. 
B) mesoderm and mesoglea. 
C) ectoderm and mesoderm. 
D) mesoglea and blastoderm. 
E) ectoderm and endoderm. 
A) mesoderm and endoderm. 
B) mesoderm and mesoglea. 
C) ectoderm and mesoderm. 
D) mesoglea and blastoderm. 
E) ectoderm and endoderm.

Question 9

A taxon composed of members that do not share a single recent common ancestor is said to be

Accepted Answer

A) phylogenetic. 
B) polyphyletic. 
C) monophyletic. 
D) unigenic. 
E) synaptomorphic. 
A) phylogenetic. 
B) polyphyletic. 
C) monophyletic. 
D) unigenic. 
E) synaptomorphic.

Question 10

Eukaryotic organisms consisting of only single cells would be classified into kingdom

Accepted Answer

A) Plantae. 
B) Fungi. 
C) Animalia. 
D) Bacteria. 
E) Protista. 
A) Plantae. 
B) Fungi. 
C) Animalia. 
D) Bacteria. 
E) Protista.

Question 11

Triploblastic organisms that possess a body cavity that is not entirely lined with mesoderm are called

Accepted Answer

A) pseudocoelomate. 
B) acoelomate. 
C) hemocoelomate. 
D) eucoelomate. 
E) coelomate. 
A) pseudocoelomate. 
B) acoelomate. 
C) hemocoelomate. 
D) eucoelomate. 
E) coelomate.

Question 12

__________ describes how the parts of an organism are arranged around a point or an axis.

Accepted Answer

A) Homology 
B) Analogy 
C) Cladistics 
D) Symmetry 
E) Asymmetry 
A) Homology 
B) Analogy 
C) Cladistics 
D) Symmetry 
E) Asymmetry

Question 13

Radially symmetrical organisms typically lack a head; the points of reference used are:

Accepted Answer

A) oral and aboral. 
B) dorsal and ventral. 
C) anterior and posterior. 
D) proximal and distal. 
E) top and bottom. 
A) oral and aboral. 
B) dorsal and ventral. 
C) anterior and posterior. 
D) proximal and distal. 
E) top and bottom.

Question 14

Organisms with the simplest tissue level of organization are

Accepted Answer

A) triploblastic. 
B) holoblastic. 
C) meroblastic. 
D) diploblastic. 
E) discoblastic. 
A) triploblastic. 
B) holoblastic. 
C) meroblastic. 
D) diploblastic. 
E) discoblastic.

Question 15

The term __________ refers to any group of organisms that share a common set of characteristics and bear a formal scientific name.

Accepted Answer

A) phylum 
B) binomen 
C) nomenclature 
D) species 
E) taxon 
A) phylum 
B) binomen 
C) nomenclature 
D) species 
E) taxon

Question 16

Which of the following is the correct sequence (from broad to specific)of the major taxonomic categories?

Accepted Answer

A) domain, kingdom, phylum, class, order, family, genus, species 
B) domain, species, genus, family, order, class, phylum, kingdom 
C) phylum, class, kingdom, domain, order, species, family, genus 
D) kingdom, order, class, phylum, family, genus, species 
E) genus, species, domain, phylum, class, order, family, kingdom 
A) domain, kingdom, phylum, class, order, family, genus, species 
B) domain, species, genus, family, order, class, phylum, kingdom 
C) phylum, class, kingdom, domain, order, species, family, genus 
D) kingdom, order, class, phylum, family, genus, species 
E) genus, species, domain, phylum, class, order, family, kingdom

Question 17

Which of the following types of animals sometimes displays asymmetrical body patterns?

Accepted Answer

A) flatworms 
B) insects 
C) sponges 
D) nematodes 
E) echinoderms 
A) flatworms 
B) insects 
C) sponges 
D) nematodes 
E) echinoderms

Question 18

The middle embryological layer in triploblastic animals is

Accepted Answer

A) mesoderm. 
B) mesoglea. 
C) gastroderm. 
D) epiderm. 
E) endoderm. 
A) mesoderm. 
B) mesoglea. 
C) gastroderm. 
D) epiderm. 
E) endoderm.

Question 19

A head defines what point of reference?

Accepted Answer

A) anterior 
B) posterior 
C) dorsal 
D) ventral 
E) lateral 
A) anterior 
B) posterior 
C) dorsal 
D) ventral 
E) lateral

Question 20

The __________ is the thin mesodermal lining of the body cavity in triploblastic animals.

Accepted Answer

A) peritoneum 
B) blastoderm 
C) epidermis 
D) gastrodermis 
E) mesoglea 
A) peritoneum 
B) blastoderm 
C) epidermis 
D) gastrodermis 
E) mesoglea

Exam 7: Animal Taxonomy, phylogeny, and Organization

The study of the kinds of organisms and the evolutionary relationships among them is

__________ symmetry is the arrangement of body parts in such a way that any plane passing through the oral-aboral axis divides the body into mirror images.

What kinds of characters are typically used in distinguishing protostomes from deuterostomes?

Portions of the peritoneum and serosa that are continuous and suspend visceral structures in the body cavity are called

To designate a species correctly,the binomial includes the __________ names.

The standard for naming animals is

This more traditional approach to systematics relies on the assumption that closely related organisms are more similar compared to distantly related organisms,with certain derived characteristics carrying more weight than others.

In diploblastic organisms,the two tissue layers are

A taxon composed of members that do not share a single recent common ancestor is said to be

Eukaryotic organisms consisting of only single cells would be classified into kingdom

Triploblastic organisms that possess a body cavity that is not entirely lined with mesoderm are called

__________ describes how the parts of an organism are arranged around a point or an axis.

Radially symmetrical organisms typically lack a head; the points of reference used are:

Organisms with the simplest tissue level of organization are

The term __________ refers to any group of organisms that share a common set of characteristics and bear a formal scientific name.

Which of the following is the correct sequence (from broad to specific)of the major taxonomic categories?

Which of the following types of animals sometimes displays asymmetrical body patterns?

The middle embryological layer in triploblastic animals is

A head defines what point of reference?

The __________ is the thin mesodermal lining of the body cavity in triploblastic animals.

Zoology: an Evolutionary and Ecological Perspective

Cells, tissues, organs, and Organ Systems of Animals

Cell Division and Inheritance

Evolution: History and Evidence

Evolution and Gene Frequencies

Ecology: Preserving the Animal Kingdom

Animal-Like Protists: the Protozoa

Multicellular and Tissue Levels of Organization

The Smaller Lophotrochozoan Phyla

Molluscan Success

Annelida: the Metameric Body Form

The Smaller Ecdysozoan Phyla

The Arthropods: Blueprint for Success

The Pancrustacea: Crustacea and Hexapoda

Ambulacraria: Echinoderms and Hemichordates

Chordata: Urochordata and Cephalochordata

The Fishes: Vertebrate Success in Water

Amphibians: the First Terrestrial Vertebrates

Reptiles: Diapsid Amniotes

Birds: Reptiles by Another Name

Mammals: Synapsid Amniotes

Protection, support, and Movement

Communication I: Nervous and Sensory Systems

Communication II: the Endocrine System and Chemical Messengers

Circulation and Gas Exchange

Nutrition and Digestion

Temperature and Body Fluid Regulation

Reproduction and Development

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