Ch.17 classification

Question 1

Taxonomy is defined as the study of the __________ of scientific classification and the naming of organisms.
A) principles
B) procedures
C) rules
D) all of the above

Answer 1

princples

Question 2

Which of the following scientists is known as the “father of taxonomy”?
A) Carl Woese
B) Edward Wilson
C) Carolus Linnaeus
D) Charles Darwin

Answer 2

Carolus Linnaeus

Question 3

Classification is defined as the ordering of living organisms into groups or _______.
A) schema
B) domains
C) taxa
D) classes

Answer 3

taxa

Question 4

The Linnaean system of taxonomy is known as _______ nomenclature.
A) binomial
B) biennial
C) trinomial
D) cladistic

Answer 4

binomial

Question 5

In binomial nomenclature, organisms are given a two part scientific name, the first of which is the __________ and the second of which is the __________.
A) domain, kingdom
B) genus, species
C) order, family,
D) phylum, class

Answer 5

genus, species

Question 6

Today, animals are placed in ________ mandatory taxonomic ranks, according to the hierarchical classification system.
A) 4
B) 8
C) 10
D) 16

Answer 6

8

Question 7

_____ refers to the scientific study of the kinds of organisms, their diversity, and their evolutionary relationships.
A) Taxonomics
B) Schematics
C) Systematics
D) Numismatics

Answer 7

Systematics

Question 8

A(n) ________ key consists of a series of paired choices used for identifying organisms.
a. euonymus
b. dichotomous
c. eponymous
d. monotonous

Answer 8

dichotomous

Question 9

__________ classifies organisms into hierarchies based on their evolutionary ancestry.
a. Linnaean taxonomy
b. Eugenics
c. Cladistics
d. All of the above

Answer 9

Cladistics

Question 10

In a cladogram, the outgroup is the group that ________.
a. branched from the ancestor first
b. branched from the ancestor last
c. is completely unrelated to the other groups
d. shares the derived characters of the other groups

Answer 10

branched from the ancestor first

Question 11

The most general taxa in the Linnaean system of taxonomy is the ________.
a. phylum
b. order
c. domain
d. kingdom

Answer 11

domain

Question 12

The most specific taxa in the Linnaean system of taxonomy is the ________.
a. species
b. family
c. genus
d. class

Answer 12

species

Question 13

The human species is know as _________.
a. domestica
b. carcharias
c. sapiens
d. versicolor

Answer 13

sapiens

Question 14

. Eubacteria, Fungi, and Plantae are three of the six ________ in the Linnaean system of classification.
a. families
b. kingdoms
c. orders
d. classes

Answer 14

kingdom

Question 15

Which of the following are examples of the domain Eukarya?
a. Protists.
b. Fungi.
c. Plants.
d. All of the above.

Answer 15

All of the above

Question 16

Which of the following belongs to the class Mammalia?
a. Fish.
b. Birds.
c. Insects.
d. Dolphins.

Answer 16

Dolphins

Question 17

Which of the following statements about dichotomous keys is TRUE?
a. They account for the majority of taxonomical keys in use.
b. They are formatted as a series of paired choices.
c. They can be used to identify various types of unknown organisms.
d. All of the above.

Answer 17

They are formatted a series of paired choices.

Question 18

Classification schemes evolved as a means of making sense of the ________ of life.
a. diversity
b. purpose
c. evolution
d. continuity

Answer 18

diversity

Question 19

Zoologists have already classified more than ______ species of animals.
a. 10,000
b. 50,000
c. 1.5 million
d. 5 million

Answer 19

1.5 million

Question 20

The scientific study of the kinds of organisms, their diversity, and their evolutionary relationships is known as?
a. Cladistics.
b. Systematics.
c. Evolution.
d. Phylogeny.

Answer 20

Systematics

Question 21

Which of the following is NOT one of the three domains in the Linnaean system of classification?
a. Archaea.
b. Bacteria.
c. Eukarya.
d. Protista.

Answer 21

Protista

Question 22

Which of the following is NOT a feature of the class Mammalia?
a. Reduced olfaction.
b. Young nourished with milk.
c. Presence of hair.
d. Warm-blooded.

Answer 22

Reduced olfaction

Question 23

Humans belong to which of the following subphyla?
a. Chordata.
b. Hemichordata.
c. Vertebrata.
d. Cephalochordata.

Answer 23

Vertebrata

Question 24

Cladistics groups organisms based on evolutionary ancestry, whereas Linnaean taxonomy classifies organisms in hierarchies based on ________________ similarities.
a. molecular (DNA)
b. morphological
c. phylogenetic
d. none of the above

Answer 24

morphological

Question 25

Which of the following are true for the field of cladistics?
a. Also known as phylogenetics.
b. Based on the idea that groups of organisms are descended from a common ancestor.
c. Classifies organisms in hierarchies based on morphological characteristics.
d. Emil Hans Willi Henning pioneered this field.
e. A, B, D.

Answer 25

E. A,B,D.

Question 26

Which of the following is an example of an eponym?
a. Sciurus carolinensis.
b. Felis domestica.
c. Rhea darwinii.
d. Balaenoptera musculus.

Answer 26

C. Rhea darwinii

Question 27

Which of the following is the singular feature of the kingdom Animalia?
a. Spinal cord enclosed in vertebrae.
b. Young nourished with milk.
c. Multicellular heterotrophs.
d. Large brain, speech.

Answer 27

Multicellular hetertrophs

Question 28

Which of the following does NOT belong to the family Hominidae?
a. Monkeys.
b. Gorillas.
c. Chimps.
d. Ancient and modern humans.

Answer 28

Monkeys

Question 29

Which of the following would be the outgroup in the cladogram depicting the evolutionary relationships in vertebrates?

a. Mouse.
b. Hagfish.
c. Pigeon.
d. Chimp.

Answer 29

Hagfish

Question 30

In the cladogram of the evolutionary relationships of plants, which of the following would be the outgroup?

a. Mosses.
b. Ferns.
c. Conifers.
d. Lilies.

Answer 30

Mosses