AnswersFL-2000310-Biology 1 BUnit Test

Methods of Classification Answers

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Which is the best definition of a phylogenetic tree?

A
a table of classification that is based only on physical characteristics
B
eight levels of taxonomic categories that are used to classify organisms
C
a branching chart that depicts evolutionary relationships among organisms
D
organisms organized based on structure and genetic comparisons
2
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What is binomial nomenclature?

A
a two word system for naming organisms by using the genus and species
B
a two word system for naming organisms by using the family and genus
C
a two word system for naming organisms by using the order and family
D
a two word system for naming organisms by using the domain and species
3

Which is most likely to change with new discoveries and technologies?

A
classification of organisms
B
kingdom of an organism
C
order of the taxonomic levels
D
use of binomial nomenclature
4

Consider the phylogenetic tree.Which two organisms are most closely related, based on the tree above?

Question illustration
A
ray-finned fishes and sharks
B
rodents and primates
C
dinosaurs and crocodiles
D
dinosaurs and birds
5

The species that is known as a robin in England has a yellow breast, and another species that is known as a robin in the United States has a red breast. Which statement about common names does this fact best exemplify?

A
More than one common name may be used for the same species.
B
Common names differ among various locations.
C
Different species can share the same common name.
D
Common names do not always translate accurately from Latin to other languages.
6

Why are some of Carl Linnaeus’s classifications of organisms incorrect?

A
Linnaeus did not study the anatomy of organisms.
B
Linnaeus’s work accounted for evolution.
C
Linnaeus did not use structural comparisons.
D
Linnaeus primarily used physical characteristics.
7

Which type of evidence is least likely to result in changes to a phylogenetic tree?

A
DNA sequencing
B
fossil record
C
discovery of new species
D
physical characteristics
8

Why is taxonomy important?

A
Taxonomy allows scientists to analyze DNA and RNA sequences.
B
Taxonomy allows a better understanding of relationships among species.
C
Taxonomy allows the manipulation of genes for medical purposes.
D
Taxonomy allows scientists to use both common names and domains of life.
9

Which scientific area has the most influence in shaping modern classification methods?

A
physiology
B
anatomy
C
evolution
D
behavior
10

Consider the classification levels of a honey bee. EukaryaAnimaliaArthropodaInsectaHymenopteraApidaeApismelliferaTo which class do honey bees belong?

A
Arthropoda
B
Insecta
C
Hymenoptera
D
Apidae

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