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Taxonomy and Reproductive Isolation: Understanding Species Diversity, Quizzes of Biology

Ramapo College of New Jersey (RCNJ)Biology

Definitions and explanations of key terms related to taxonomy, the science of grouping organisms, and reproductive isolation, the mechanisms preventing interbreeding between species. Topics include traditional and modern methods of taxonomy, binomial nomenclature, and various types of reproductive isolation.

Typology: Quizzes

2011/2012

Uploaded on 12/14/2012

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TERM 1

taxonomy

DEFINITION 1

the science to group and categorize organisms by biological

type

TERM 2

traditional method of taxonomy

DEFINITION 2

according to shared physical characteristics

TERM 3

modern method of taxonomy

DEFINITION 3

comparing similarities in DNA sequences

TERM 4

series of taxonomy levels

DEFINITION 4

lifedomainkingdomphylumclassorderfamilygenusspecies

TERM 5

binomial nomenclature

DEFINITION 5

a formal system to name a species with 2 parts in latin

grammatical forms

Taxonomy and Reproductive Isolation: Understanding Species Diversity, Quizzes of Biology

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taxonomy

the science to group and categorize organisms by biological

type

TERM 2

traditional method of taxonomy

DEFINITION 2

according to shared physical characteristics

TERM 3

modern method of taxonomy

DEFINITION 3

comparing similarities in DNA sequences

TERM 4

series of taxonomy levels

DEFINITION 4

lifedomainkingdomphylumclassorderfamilygenusspecies

TERM 5

binomial nomenclature

DEFINITION 5

a formal system to name a species with 2 parts in latin

grammatical forms

1st part of binomial nomenclature

identify the genus

TERM 7

2nd part of binomial nomenclature

DEFINITION 7

identify species within the genus

TERM 8

the biological species concept

DEFINITION 8

species arereproductivelyisolated from one anotherin nature,

members of the same species can potentially

interbreedmembers of different species cannot interbreed

TERM 9

reproductive isolation

DEFINITION 9

pre-fertilization: reproductive barriers that prevent

fertilization from occuring-spatial reproductive isolation-

behavioralreproductiveisolation-mechanical reproductive

isolation-temporal reproductive isolation-

gameteincompatibilityreproductive isolation

TERM 10

spacial reproductive isolation

DEFINITION 10

species areseparatedby distance

hybrid

inviability

zygote unable to develop because genetic instructions are

incomplete, eg sheep x goatthe embryo often dies early in

development

TERM 17

hybrid infertility

DEFINITION 17

product ofinter-speciescross is unable to reproducehorse x

donkey = mule

TERM 18

human race

DEFINITION 18

not biological groupsracial categories are biologically

meaningless, but are socially meaningful and constructedno

race-specific alleles (gene forms) have been identifiedthe

distribution of alleles (allele frequency) may be different

among racial groups