Download point of view that is personal rather than scientific

One reason ______________
are not useful to biologists is
that they can apply to more
than one animal.
common names
One goal of scientists is to
assign every organism a
universally accepted name
according to the system known
as
binomial nomenclature
At any level of organization,
groups that have biological
meaning are referred to as
taxa
According to the rules of
binomial nomenclature, which
of the terms is capitalized?
genus
is the science of naming and
grouping organisms.
Systematics
In Linnaeus’s system of
classification, how many levels
are there?
Kingdom, Phylum, class, order,
family, genus, species
A order is composed of a
number of similar
families
Several different phyla make
up a
kingdom
Which are the two highest
level taxa in the Linnaean
system?
Kingdom and phylum
Animals that are warmblooded, have body hair, and
produce milk for their young
are grouped in the class
Mammalia
True or False
Traditional classifications
tended to take into account
primarily visible similarities
and differences.
True
The grouping of organisms
based on their common descent
is called
evolutionary classification
In biology, a trait that arose in
an ancestor and is passed along
to its descendants is referred to
as a
derived character.
Which of the following
techniques can scientists use to
determine how the DNA of
several species might indicate
the species are related?
cladistic analysis
Each _____ on a cladogram
represents the last point at
which two groups shared a
common ancestor.
node
All organisms in the kingdoms
Protista, Plantae, Fungi, and
Animalia are
eukaryotes.
Which kingdom contains
heterotrophs with cell walls of
chitin?
Fungi
Why is the kingdom Protista
not valid under evolutionary
classification?
Protista contains groups that share closest
common ancestors with other groups,
rather than with each other.
The domain that contains
unicellular organisms that live
in extreme environments is
Archaea.
The two domains composed of
only unicellular organisms are
Archaea and Bacteria.
The three-domain system arose
when scientists found that
Eubacteria and Archaebacteria
were more
dissimilar than scientists thought.
An organism may have
different _____________ that
vary from area to area and
language to language.
common names
In the name Ursus maritimus,
the word Ursus refers to the
genus
Modern biologists build
classification diagrams called
_____________ that reflect
lines of evolutionary descent.
cladograms
One way in which Archaea
differ from Bacteria in that the
cell walls of Archaea lack
peptidoglycan
The use of a two-part scientific
name for organisms is called
binomial nomenclature
In Linnaeus’s system of
classification, the two smallest
categories are
genus and species
is the study of how living and
extinct organisms are related to
each other.
Phylogeny
The six kingdoms of life
include bacteria that have cell
walls with peptidoglycan,
bacteria that have cell walls
without peptidoglycan,
protists, fungi, animals, and
plants
The domain ____________
contains plants, fungi, protists,
and animals—which are all
eukaryotes.
Eukarya
In Linnaeus’s time, all living things were
grouped into two kingdoms. Later, there
were five kingdoms, and now we have six
kingdoms. What is the main reason for this
increase in the number of kingdoms?
As scientists learned more about genetics
and biochemistry, some organisms were
moved out of existing kingdoms and into
new ones.