Chapter 17:
Organizing Life's Diversity
1.
__________ measures how strongly single strands of DNA from two species will bond.
a.
amino acid chains
b.
DNA-DNA hybridization
c.
protein clocks
d.
DNA sequences
Hint
2.
Which of the following statements is NOT true?
a.
Branches that appear on pedigrees and cladograms show proposed ancestry of an organism.
b.
Biologists researching the cladistics of birds have determined that they are not related to any group of dinosaurs.
c.
Cladograms show the probable evolution of a group of organisms rather than the direct ancestry from two parents.
d.
Using the fan model of the six kingdoms, organisms that are closer in the same colored ray share more inherited characteristics.
Hint
3.
A taxon consisting of similar genera is called __________.
a.
an order
b.
a family
c.
a division
d.
a class
Hint
4.
One characteristic of organisms in the fungi kingdom is __________.
a.
there are about 1 000 000 known species
b.
they do not move from places to place
c.
they are autotrophs
d.
all species are multicellular
Hint
5.
Which of the following statements is NOT true?
a.
Eubacteria are found in most habitats on Earth.
b.
Archaebacteria live in places such as deep-ocean hydrothermal vents.
c.
The oldest prokaryotic fossils are thought to be approximately 3.5 billion years old.
d.
There are only a dozen identified species of archaebacteria.
Hint
6.
When using binomial nomenclature, which of these is the smallest taxon?
a.
genus
b.
species
c.
family
d.
order
Hint
7.
Which of these is a larger taxa than class?
a.
a kingdom
b.
a genus
c.
a species
d.
an order
Hint
8.
When classifying plants, which of these is the name for a taxon of similar classes?
a.
a class
b.
a division
c.
an order
d.
a kingdom
Hint
9.
The circle graph below shows the relationships between the six kingdoms and the number of species in each kingdom. According to this data, which of these statements is true?
a.
Eubacteria have the smallest number of species of all the kingdoms.
b.
Protists and fungi combined have a smaller number of species than plant species.
c.
The number of plant species is less than the number of protist, fungi, eubacteria, and archaebacteria species combined.
d.
There are less than three times the number of animal species than all other species combined.
Hint
10.
A species' __________ describes it evolutionary history.
a.
phylogeny
b.
kingdom
c.
cells
d.
genus
Hint
11.
What model is sometimes used to identify a group's derived traits?
a.
a dichotomous key
b.
a cladogram
c.
binomial nomenclature
d.
a taxon
Hint
12.
Which of these scientists is credited with developing the system of grouping organisms that is still used today?
a.
Darwin
b.
Crick
c.
Linnaeus
d.
Aristotle
Hint
13.
At what level do the blue whale and the ferret diverge?
a.
family
b.
order
c.
kingdom
d.
species
Hint
14.
Using binomial nomenclature, humans are classified as
Homo sapiens
.
Homo
refers to the genus, while
sapiens
refers to the __________.
a.
order
b.
specific epithet
c.
kingdom
d.
division
Hint
15.
Which of these kingdoms consists of organisms that are prokaryotic?
a.
plants
b.
protists
c.
eubacteria
d.
fungi
Hint
