Basis of Classification Flashcards

1
Q

Father of biology

A

Aristotle

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2
Q

How was classification done earlier

A

Instinctively

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3
Q

The scientific basis of classification

A

Aristotle

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4
Q

Morphological characters

A

Aristotle

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5
Q

Aristotle Plant classification

A

Trees, shrubs, herbs

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6
Q

Aristotle animal classification

A

Red-blooded, Non-Red-blooded

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7
Q

Linnaeus

A

2 Kingdom classification
Plantae
Animalia

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8
Q

Drawbacks of 2 kingdom

A

Did not distinguish between
eukaryotes and prokaryotes
unicellular and multicellular
photosynthetic and non-photosynthetic

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9
Q

2 Kingdom classification

A

used for a long time, but inadequate

A large number of organisms was neither in plants nor animals

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10
Q

How did classification evolve

A
Besides gross morphology,
Cell structure
Nature of wall
Habitat
Mode of nutrition
Mode of reproduction
Evolutionary relationships
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11
Q

Classification system

A

Undergone many changes over time

plants and animals constant, understanding of organisms included changed

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12
Q

Who proposed 5 kingdom classification

A

W.H.Whittaker

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13
Q

Who proposed the 5 kingdom classification?

A

R.H.Whittaker

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14
Q

R.H.Whittaker

A

1969

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15
Q

5 Kingdom classification

A
Monera
Protista
Fungi
Plantae
Animalia
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16
Q

Criteria used by R.H.Whittaker

A
Cell structure
Body organisation
Mode of nutrition
Mode of reproduction
Phylogenetic characters
17
Q

3 Domain system

A

Carl Woese

18
Q

3 Domain system

A

Kingdom monera into 2 domains

All other eukaryotic organisms into 3 domain

19
Q

3 Domain classification

A

6 Kingdom classification

20
Q

What influenced 5 kingdom classification

A

Earlier classification included bacteria, fungi, blue-green algae, ferns, gymnosperms, angiosperms, mosses under”Plants”

21
Q

What character unified “Plants” in earlier classification

A

Cell wall

22
Q

What organisms did earlier classification bring together

A

Prokaryotic bacteria, blue-green algae and eukaryotic bacteria
Unicellular Chlamydomanas and Multicellular Spirogyra
Heterotrophic Fungi and Autotrophic Green plants