Frage 1
Frage
Of the following, the most inclusive taxon (classification group) is the
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Order
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Phylum
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Class
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Genus
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Family
Frage 2
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All of the following lines of evidence can be used to determine relatedness among organisms EXCEPT
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morphological similarities due to convergence
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similarities in life cycle and development
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similar DNA sequences
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examination of the fossil record for evidence of common ancestry
Frage 3
Frage
The scientific name of the fruit fly is properly written as
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Drosophila melanogaster (both words in italics)
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drosophila melanogaster (both words in italics)
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Drosophila Melanogaster (both words in italics)
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Drosophila melanogaster (only the first word is in italics)
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drosophila melanogaster (neither word is in italics)
Frage 4
Frage
A taxon, all of whose members have the same common ancestor is
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paraphyletic
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monophyletic
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polyphyletic
Frage 5
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Convergent evolution could cause a taxonomist to assume mistakenly that
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two unrelated species are closely related
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two closely related species are unrelated
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members of different subpopulations of the same species are unrelated
Frage 6
Frage
Which of the following would be most useful for constructing a cladogram showing the taxonomic relationships among several fish species?
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several analogous characteristics shared by all the fishes
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a single homologous characteristic shared by all the fishes
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the total degree of morphological similarity among various fish species
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several characteristics thought to have evolved after different fish diverged from one another
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a single characteristic that is different in all the fish
Frage 7
Frage
Phylogeny is the study of
Frage 8
Frage
The common housefly belongs to all of the following taxa. Assuming you had access to textbooks or other scientific literature, knowing which of the following should provide you with the most specific information about the common housefly?
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order Diptera
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family Muscidae
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genus Musca
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class Insecta
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phylum Arthropoda
Frage 9
Frage
According to the cladogram shown, which organisms are most closely related?
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Exosperman and Bubbia
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Belliolum and Drinys
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Exosperman and Tasmannia
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Exosperman and Drinys
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Belliolum and Bubbia
Frage 10
Frage
According to the phylogenetic tree, which organisms are the least related to each other evolutionarily?
Frage 11
Frage
According to this phylogenetic tree, annelids are most closely related to ____.
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arthropods
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mollusks
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nematodes
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cnidarians
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platyhelminths
Frage 12
Frage
According to this phylogenetic tree, the clade that includes echinoderms and chordates is most closely related to the clade that includes ____.
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mollusks
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poriferans
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nematodes
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cnidarians
Frage 13
Frage
According to this phylogenetic tree, cnidarians are most closely related to ____.
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nematodes
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annelids
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mollusks
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echinoderms
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platyhelminths
Frage 14
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A ____ is a monophyletic group made up of an ancestor and all of its descendants.
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maximum likelihood
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clade
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lineage
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convergent evolution
Frage 15
Frage
Which of the following is a group of organisms used as a point of reference for comparison with the groups of primary interest?
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outgroup
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sister species
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homologous pair
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maximum likelihood
Frage 16
Frage
In a phylogenetic study, the group of organisms of primary interest is the ____.
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polyphyletic
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lineage
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binomial nomenclature
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ingroup
Frage 17
Frage
A ____ is a group of related, similar species recognized by taxonomists with a distinct name used in binomial nomenclature.
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genus
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parsimony
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clade
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convergent evolution
Frage 18
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What is the scientific study of the diversity ad relationships among organisms?
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outgroup
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convergent evolution
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sister species
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systematics
Frage 19
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____ are two phylogenetic groups that are each other's closest relatives.
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sister clades
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ancestral trait
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binomial nomenclature
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paraphyletic
Frage 20
Frage
What is "a biological group (typically a species or clade) that is given a name"?
Antworten
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phylogenetic tree
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taxon
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lineage
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derived trait