Question 1

The ability to use biochemical data to form phylogenetic trees is based on the assumption that

Accepted Answer

A) all life uses the same sequences of DNA. 
B) there are no mutations in DNA. 
C) amino acids are unrelated to evolution. 
D) protein and DNA sequences undergo similar rates of divergence through time. 
A) all life uses the same sequences of DNA. 
B) there are no mutations in DNA. 
C) amino acids are unrelated to evolution. 
D) protein and DNA sequences undergo similar rates of divergence through time.

Question 2

If two different taxa share common ancestry with each other more recently than either one does with any other organisms,we call them _______ ______.

Accepted Answer

The answer of If two different taxa share common ancestry...

Question 3

An entomologist discovered that two morphologically identical crickets sang completely different mating songs and this resulted in the two populations never mating.Thus they were

Accepted Answer

A) sister groups. 
B) sibling species. 
C) paraphyletic. 
D) polyphyletic. 
A) sister groups. 
B) sibling species. 
C) paraphyletic. 
D) polyphyletic.

Question 4

Which kingdom in Whittaker's five-kingdom system must be discontinued and broken up to be compatible with cladistic systematics?

Accepted Answer

A) Plantae 
B) Fungi 
C) Animalia 
D) Protista 
A) Plantae 
B) Fungi 
C) Animalia 
D) Protista

Question 5

G.G.Simpson provided a definition of an evolutionary species as "a single lineage of ancestor-descendant populations that maintains its identity from other such lineages and that has its own evolutionary tendencies and historical fate." How does this compare with the biological species concept of Mayr?

Accepted Answer

A) Only Mayr's definition is easily testable for most organisms. 
B) Only Simpson's definition is easily testable for living organisms. 
C) Mayr's definition is limited to sexually reproducing organisms whereas Simpson's theoretically covers all life. 
D) They are in complete disagreement. 
A) Only Mayr's definition is easily testable for most organisms. 
B) Only Simpson's definition is easily testable for living organisms. 
C) Mayr's definition is limited to sexually reproducing organisms whereas Simpson's theoretically covers all life. 
D) They are in complete disagreement.

Question 6

The biological species concept by Theodosius Dobzhansky and Ernst Mayr defines a species in the textbook as a group of interbreeding natural populations reproductively isolated from other such groups and occupying a specific niche.Such a definition cannot be used for

Accepted Answer

A) fossils. 
B) asexual organisms. 
C) determining species based on dead or preserved specimens. 
D) organisms that cannot be raised in captivity,easily bred,or with very long generation times. 
E) All of the choices pose problems for the biological species concept. 
A) fossils. 
B) asexual organisms. 
C) determining species based on dead or preserved specimens. 
D) organisms that cannot be raised in captivity,easily bred,or with very long generation times. 
E) All of the choices pose problems for the biological species concept.

Question 7

The table represents a: $$\begin{array}{ll}
 \text { Domain } & \text { Eukarya } \
\text { Kingdom } & \text { Animalia } \
\text { Phylum } & \text { Chordata } \
\text { Class } & \text { Amphibia } \
\text { Order } & \text { Amura } \
\text { Family } & \text { Raridae } \
\text { Genus } & \text { Rana } \
\text { Species } & \text { sphenocephala }
\end{array}$$

Accepted Answer

A) classification of the frog Rana sphenocephala. 
B) phylogenetic tree of Rana sphenocephala. 
C) cladogram of Rana sphenocephala. 
D) hierarchical list of the taxonomic ranks and taxa to which Rana sphenocephala belongs. 
E) listing of the scientific names of Rana sphenocephala. 
A) classification of the frog Rana sphenocephala. 
B) phylogenetic tree of Rana sphenocephala. 
C) cladogram of Rana sphenocephala. 
D) hierarchical list of the taxonomic ranks and taxa to which Rana sphenocephala belongs. 
E) listing of the scientific names of Rana sphenocephala.

Question 8

A branching diagram whose branches represent real lineages that occurred in the evolutionary past is called a/an _________ _________.

Accepted Answer

The answer of A branching diagram whose branches represent real...

Question 9

Two different monophyletic taxa are termed _____ if they share common ancestry with each other more recently than either one does with another taxa.

Accepted Answer

A) outgroups 
B) sister groups 
C) sibling species 
D) paraphyletic 
A) outgroups 
B) sister groups 
C) sibling species 
D) paraphyletic

Exam 10: Taxonomy and Phylogeny of Animals

The ability to use biochemical data to form phylogenetic trees is based on the assumption that

If two different taxa share common ancestry with each other more recently than either one does with any other organisms,we call them _______ ______.

An entomologist discovered that two morphologically identical crickets sang completely different mating songs and this resulted in the two populations never mating.Thus they were

Which kingdom in Whittaker's five-kingdom system must be discontinued and broken up to be compatible with cladistic systematics?

The biological species concept by Theodosius Dobzhansky and Ernst Mayr defines a species in the textbook as a group of interbreeding natural populations reproductively isolated from other such groups and occupying a specific niche.Such a definition cannot be used for

The table represents a: Domain Eukarya Kingdom Animalia Phylum Chordata Class Amphibia Order Amura Family Raridae Genus Rana Species sphenocephala

A branching diagram whose branches represent real lineages that occurred in the evolutionary past is called a/an _________ _________.

Two different monophyletic taxa are termed _____ if they share common ancestry with each other more recently than either one does with another taxa.

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectual Pattern of an Animal

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

Chaetognaths, echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, Protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distribution

Animal Ecology

Filters

If two different taxa share common ancestry with each other more recently than either one does with any other organisms,we call them _ .

A branching diagram whose branches represent real lineages that occurred in the evolutionary past is called a/an _ _.