intro Flashcards

1
Q

Systematics

A

Study of biological diversity that exists on earth today and its evolutionary history

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2
Q

Classification

A

visual expression of evolutionary relationships and is critical for plant ID

Filing system for all life

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3
Q

Taxonomy

A

Science of classification

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4
Q

Age of earth

A

4.54

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5
Q

Classification is…

A

A filing system for life

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6
Q

Classifications layers acronom

A

Kiwis play cricket on flat green surfaces

(Kingdom, Phylum, Class, Order, Family, Genus, Species)

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7
Q

Taxonomy

A

The science of classification

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8
Q

Classifications are important….

A

Provide common vocabulary, adds stability, predictive

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9
Q

Classification uses

A

biological studies, conservation,

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10
Q

what group is the basis for classification

A

monophyletic

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11
Q

Determining factors for group names

A
  • if the group can be defined by a set of distinctive and is monophyletic

-presence of an obvious morphological character

  • group size
  • nomenclatural stability a ( classifications are about communication so stability is important)
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12
Q

Systematics are important

A

Correctly identifying species
Understanding relationships amongst species
Understanding evolutionary history

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13
Q

Reproductive isolation mechanisms maintain species….

A

But is not always effective.

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14
Q

Hybridisation can

A

-Reinforce reproductive isolation

_ form hybrid swarm through backcrossing w parents

-Fusion

  • Creation of genetic diversity and evolution

most hybrids are sterile

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15
Q
A
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