Ch.17 classification Flashcards
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
princples
Which of the following scientists is known as the “father of taxonomy”?
A) Carl Woese
B) Edward Wilson
C) Carolus Linnaeus
D) Charles Darwin
Carolus Linnaeus
Classification is defined as the ordering of living organisms into groups or _______.
A) schema
B) domains
C) taxa
D) classes
taxa
The Linnaean system of taxonomy is known as _______ nomenclature.
A) binomial
B) biennial
C) trinomial
D) cladistic
binomial
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
genus, species
Today, animals are placed in ________ mandatory taxonomic ranks, according to the hierarchical classification system.
A) 4
B) 8
C) 10
D) 16
8
_____ refers to the scientific study of the kinds of organisms, their diversity, and their evolutionary relationships.
A) Taxonomics
B) Schematics
C) Systematics
D) Numismatics
Systematics
A(n) ________ key consists of a series of paired choices used for identifying organisms.
a. euonymus
b. dichotomous
c. eponymous
d. monotonous
dichotomous
__________ classifies organisms into hierarchies based on their evolutionary ancestry.
a. Linnaean taxonomy
b. Eugenics
c. Cladistics
d. All of the above
Cladistics
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
branched from the ancestor first
The most general taxa in the Linnaean system of taxonomy is the ________.
a. phylum
b. order
c. domain
d. kingdom
domain
The most specific taxa in the Linnaean system of taxonomy is the ________.
a. species
b. family
c. genus
d. class
species
The human species is know as _________.
a. domestica
b. carcharias
c. sapiens
d. versicolor
sapiens
. Eubacteria, Fungi, and Plantae are three of the six ________ in the Linnaean system of classification.
a. families
b. kingdoms
c. orders
d. classes
kingdom
Which of the following are examples of the domain Eukarya?
a. Protists.
b. Fungi.
c. Plants.
d. All of the above.
All of the above
Which of the following belongs to the class Mammalia?
a. Fish.
b. Birds.
c. Insects.
d. Dolphins.
Dolphins
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.
They are formatted a series of paired choices.
Classification schemes evolved as a means of making sense of the ________ of life.
a. diversity
b. purpose
c. evolution
d. continuity
diversity
Zoologists have already classified more than ______ species of animals.
a. 10,000
b. 50,000
c. 1.5 million
d. 5 million
1.5 million
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.
Systematics
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.
Protista
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.
Reduced olfaction
Humans belong to which of the following subphyla?
a. Chordata.
b. Hemichordata.
c. Vertebrata.
d. Cephalochordata.
Vertebrata
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
morphological
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.
E. A,B,D.
Which of the following is an example of an eponym?
a. Sciurus carolinensis.
b. Felis domestica.
c. Rhea darwinii.
d. Balaenoptera musculus.
C. Rhea darwinii
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.
Multicellular hetertrophs
Which of the following does NOT belong to the family Hominidae?
a. Monkeys.
b. Gorillas.
c. Chimps.
d. Ancient and modern humans.
Monkeys
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.
Hagfish
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.
Mosses
