Multiple Choice (Value 20)
Identify the choice that best completes the statement or answers
the question. (Value 20)
|
|
|
1.
|
In taxonomy, a group at any level of organization is referred to as a
a. | cladogram. | c. | taxon. | b. | binomial. | d. | system. |
|
|
|
2.
|
Scientists have identified and named
a. | all living species. | c. | all extinct species. | b. | all living and extinct
species. | d. | a fraction of all
species. |
|
|
|
3.
|
In the scientific version of a species name, which of the terms is
capitalized?
a. | the first term only | c. | both the first and second terms | b. | the second term
only | d. | neither the first nor
the second term |
|
|
|
4.
|
Based on their names, you know that the baboons Papio annubis and
Papio cynocephalus do NOT belong to the same
a. | class. | c. | genus. | b. | family. | d. | species. |
|
|
|
5.
|
How do binomial, or two-part, names compare with early versions of scientific
names?
a. | They are longer. | c. | They are completely descriptive. | b. | They are
shorter. | d. | They are in
English. |
|
|
|
6.
|
Often, the second part of a scientific name is
a. | a Latinized description of a particular trait. | b. | the same as for
other members of the same genus. | c. | capitalized if it derives from a proper
name. | d. | different in different locations. |
|
|
|
7.
|
Before Linnaeus, scientific names were problematic because they were
a. | too brief to be descriptive. | c. | written only in
Greek. | b. | very long and difficult to standardize. | d. | written only in
Latin. |
|
|
|
8.
|
Several different classes make up a
a. | kingdom. | c. | family. | b. | phylum. | d. | genus. |
|
|
|
9.
|
Sometimes, organisms that are not closely related look similar because of
a. | convergent evolution. | c. | mutations. | b. | molecular clocks. | d. | reclassification. |
|
|
|
10.
|
The procedure of grouping organisms based on their evolutionary history is
called
a. | traditional classification. | c. | derived
characters. | b. | binomial nomenclature. | d. | evolutionary classification. |
|
|
|
11.
|
In an evolutionary classification scheme, species within one genus should
a. | be more similar to one another than they are to species in other genera.
| b. | not be similar in appearance. | c. | be limited to species that can
interbreed. | d. | have identical genes. |
|
|
|
12.
|
In biology, an evolutionary innovation is also referred to as a
a. | derived character. | c. | molecular clock. | b. | taxonomic group. | d. | physical
similarity. |
|
|
|
13.
|
What do scientists consider when they perform a cladistic analysis?
a. | only the RNA of organisms | c. | derived
characters | b. | all traits of organisms | d. | only physical similarities |
|
|
|
14.
|
What does a cladistic analysis show about organisms?
a. | the relative importance of each derived character | b. | the order in which
derived characters evolved | c. | the general fitness of the organisms
analyzed | d. | all traits of each organism analyzed |
|
|
|
15.
|
Similar genes are evidence of
a. | binomial nomenclature. | c. | common ancestry. | b. | mutations. | d. | different
anatomy. |
|
|
|
16.
|
What does the presence of similar genes in very dissimilar organisms
imply?
a. | The genes were produced by different selection pressures. | b. | The organisms share
a common ancestor. | c. | The organisms do not share a common
ancestor. | d. | The genes became identical through mutation. |
|
|
|
17.
|
Some scientists propose that the kingdom Protista should be broken up into
several kingdoms. Which of these statements accurately supports this idea?
a. | Protists are all very similar and easy to confuse. | b. | Protista contains
very diverse organisms that do not fit into the other kingdoms. | c. | Protists are the
most numerous organisms on Earth. | d. | Protista evolved before any other
kingdom. |
|
|
|
18.
|
The domain that corresponds to the kingdom Eubacteria is
a. | Archaea. | c. | Eukarya. | b. | Bacteria. | d. | Fungi. |
|
|
|
19.
|
The two domains composed of only unicellular organisms are
a. | Eubacteria and Archaea. | c. | Archaea and
Bacteria. | b. | Eukarya and Bacteria. | d. | Archaea and Eukarya. |
|
|
|
20.
|
Organisms in the kingdoms Eubacteria and Archaebacteria were previously grouped
in a kingdom called
a. | Animalia. | c. | Monera. | b. | Fungi. | d. | Eukarya. |
|
Modified True/False (Value 5)
Indicate whether the statement is true or false. If false,
change the identified word or phrase to make the statement true.
|
|
|
21.
|
An organism may have different common names that vary from area to area
and language to language. _________________________
|
|
|
22.
|
Scientists try to organize living things into groups that have economic
significance. _________________________
|
|
|
23.
|
Linnaeus’s system of classification uses seven taxonomic
categories. _________________________
|
|
|
24.
|
An order is a broad taxonomic category composed of similar phyla.
_________________________
|
|
|
25.
|
Archaea differ from Bacteria in that the cell walls of Archaea lack
peptidoglycans. _________________________
|
Completion (Value 2)
Complete
each statement.
|
|
|
26.
|
The animals Panthera leo (lion) and ____________________ tigris
(tiger) belong to the same genus.
|
|
|
27.
|
The domain ____________________ contains plants, fungi, protists, and
animals—which are all eukaryotes.
|