Chapter 17 Section 1 Flashcards

1
Q

the grouping of objects or organisms based on a set of criteria

A

classification

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2
Q

(animals) contains related classes

A

phylum

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3
Q

(bacteria + plants) contains related classes

A

division

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4
Q

taxon composed of related phyla or divisions

A

kingdom

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5
Q

the broadest of all the taxa and contains one or more kingdoms

A

domain

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6
Q

the evolutionary history of a species

A

phylogeny

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7
Q

inherited features that vary among species

A

character

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8
Q

a model that is used to compare DNA sequences from two different species to estimate how long the species have been evolving since they diverged from a common ancestor

A

molecular clock

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9
Q

a method that classifies organisms according to the order that they diverged from a common ancestor

A

cladistics

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10
Q

is a branching diagram that represents the proposed phylogeny or evolutionary history of a species or group

A

cladogram

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11
Q

the species classified in Domain Archaea

A

achaea

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12
Q

eukaryotic organisms that can be unicellular, colonial, or multicellular

A

protist

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13
Q

a unicellular or multicellular eukaryote that absorbs nutrients from organic materials in its environment

A

fungus

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14
Q

a discipline of biology primarily concerned with identifying, naming, and classifying species based on natural relationships

A

taxonomy

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15
Q

gives each species a scientific name that has two parts

A

binomial nomenclature

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16
Q

a named group of organisms

A

taxon

17
Q

a group of species that are closely related and share a common ancestor

A

genus

18
Q

family

A

the next higher taxon, consisting of similar, related genera

19
Q

order

A

contains related families

20
Q

class

A

contains related orders