Microtaxonomy Flashcards

1
Q
  • classification at the species level
A

microtaxonomy

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2
Q

a multilayered science

A

taxonomy

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3
Q

Greek: __ = order; __ = law

A

taxis = order
nomos = law

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4
Q

refers to the presence of two or more variant forms of a specific DNA sequence that can occur among different individuals or populations

A

Polymorphism

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5
Q

French for taxonomy

A

taxinomie

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6
Q

taxonomy acc. to Simpson

A

theory and practice of delimiting kinds of organisms and of classifying them

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7
Q

taxonomy acc. to Wilson

A

science and art

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8
Q

taxonomy acc. to ICZN (International Code of Zoological Nomenclature)

A

theory and practice of classifying organisms

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9
Q

Steps in taxonomy

A
  1. Microtaxonomy
  2. Macrotaxonomy
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10
Q

the demarcation of species

A

microtaxonomy

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11
Q

questions asked in microtaxonomy

A
  1. What is species?
  2. What species concept is best?
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12
Q

the classification of species

A

macrotaxonomy

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13
Q

questions asked in macrotaxonomy

A
  1. How do we classify organisms?
  2. According to genealogy or to degree of similarity… or both?
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14
Q

recognition and description of species and first classification

A

alpha-taxonomy

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15
Q

classification of species in hierarchical system

A

beta-taxonomy

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16
Q

understanding the evolutionary factors

A

gamma-taxonomy

17
Q

alpha-taxonomy

A

microtaxonomy

18
Q

beta-taxonomy

A

in between micro and macrotaxonomy

19
Q

gamma-taxonomy

A

macrotaxonomy

20
Q

Fundamental concepts of taxonomy

A
  1. alpha taxonomy
  2. omega taxonomy
21
Q

phases in alpha taxonomy

A

exploratory and consolidation phase

22
Q

phases in omega taxonomy

A

biosystematic and encyclopaedic phases

23
Q

alpha taxonomy started with the work of who

A
  • Tournefort
  • de Jussieu
  • Linneaus
24
Q
  • concerned with the description and designation of species
  • basis of morphological characters
A

alpha taxonomy (descriptive taxonomy)

25
Q
  • arrangement of species into hierarchical system of higher categories or taxa
  • developed in 20th century
A

beta taxonomy (macrotaxonomy)

26
Q
  • aspect of taxonomy concerned with intraspecific population and with phylogenetic trends
  • attempt is made to account for the origin and development of species
  • taxonomists relate to paleobotany which includes all taxa of extinct plant groups
A

gamma taxonomy

27
Q

taxonomists in gamma taxonomy relate to __ which includes all taxa of extinct plant groups

A

paleobotany

28
Q
  • an ultimate perfect system, based upon all available characters
A

omega taxonomy

29
Q

provides best picture on classification

A

consolidation of alpha-omega taxonomy

30
Q

Three main aims of taxonomy

A
  1. Identification
  2. Nomenclature
  3. Classification
31
Q

Two main approaches in taxonomy

A
  1. Empirical approach
  2. Interpretive approach
32
Q

based on practical aspects, observation of characters etc.

A

empirical approach

33
Q

classification is based on interpretation and evolution of a taxon, e.g., phylogenetic system

A

interpretive approach

34
Q

The process of individual development from a single cell, an egg cell or a zygote, to an adult organism

A

ontogeny

35
Q

evolutionary history

A

phylogeny

36
Q

scientific study of ancient plants, using plant fossils found in sedimentary rocks

A

Paleobotany