Biological Classification

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Questions and Answers

Who is known as the Father of Biology and Father of Zoology?

  • Theophrastus
  • Carolus Linnaeus
  • Aristotle (correct)
  • None of the above

On what basis did Aristotle initially classify plants?

  • Genetic makeup
  • Reproductive structures
  • Cellular structure
  • Morphological character (growth Habit) (correct)

Who is known as the Father of ancient plant taxonomy and Father of Botany?

  • Carolus Linnaeus
  • Aristotle
  • Theophrastus (correct)
  • None of the above

Theophrastus classified the plant kingdom into groups based on which of the following?

<p>Growth habit (A)</p> Signup and view all the answers

What categories did Theophrastus use to classify the plant kingdom?

<p>Trees, Shrubs, Under shrubs, Herbs (D)</p> Signup and view all the answers

What was Carolus Linnaeus's real name?

<p>Carl Von Linne (D)</p> Signup and view all the answers

In what language did Carolus Linnaeus primarily work?

<p>Latin (D)</p> Signup and view all the answers

Who is known as the 'Father of Taxonomy'?

<p>Carolus Linnaeus (C)</p> Signup and view all the answers

Which system is Carolus Linnaeus known for?

<p>Binomial system (D)</p> Signup and view all the answers

What classification system did Linnaeus give?

<p>Two kingdom classification (C)</p> Signup and view all the answers

Into which two kingdoms did Linnaeus group living organisms?

<p>Plantae and Animalia (D)</p> Signup and view all the answers

On what basis did Linnaeus group plants and animals?

<p>Cell wall (D)</p> Signup and view all the answers

In the two-kingdom classification, which organisms are placed in the same group (plants/plantae)?

<p>Prokaryotes and Eukaryotes (B)</p> Signup and view all the answers

In the two kingdom classification, what character unified the whole kingdom?

<p>Cell wall (B)</p> Signup and view all the answers

Initial classifications were done based on what?

<p>Instinctive needs (C)</p> Signup and view all the answers

Which kingdoms have remained constant under all systems of classification?

<p>Plantae and Animalia (D)</p> Signup and view all the answers

Which of the following is NOT a kingdom?

<p>Virus (B)</p> Signup and view all the answers

Besides kingdoms, what else is mentioned in relation to biological classification?

<p>Virus, Viroids, Lichens and Mycorrhiza (B)</p> Signup and view all the answers

What is the purpose of museums in the context of biological studies?

<p>Preserving dead specimens of plants and animals (B)</p> Signup and view all the answers

What is the use of Manuals in biological studies?

<p>To identify plants in a given area (D)</p> Signup and view all the answers

Flashcards

Five Kingdoms

Kingdoms are Monera, Protista, Fungi, Plantae, and Animalia.

Aristotle

Father of Biology and Zoology, classified plants by growth habit.

Theophrastus

Father of ancient plant taxonomy and botany, classified plants by growth habit.

Theophrastus' Plant Groups

Trees, Shrubs, Under shrubs and Herbs.

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Carolus Linnaeus

He is known as Father of taxonomy, Father of plant taxonomy and Father of animal taxonomy, binomial system and classification science.

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Linnaeus' Two Kingdom Classification

Plants and animals grouped into Kingdom Plantae and Animalia respectively, based on cell walls.

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Two kingdom classification demerit

Prokaryotes (bacteria, blue-green algae) and eukaryotes (fungi, mosses/bryophytes, fern/pteridophytes, gymnosperm and angiosperm) are in the same group plants/plantae in two kingdom classification.

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Study Notes

  • Initial classifications were done out of a need to use organisms.
  • This was not done using scientific methods.
  • Classification systems for living organisms have changed over time.
  • Plant and animal kingdoms are constant under all systems of classifications.
  • Understanding of what groups should be included in kingdoms keeps changing.
  • The numbers and nature of other kingdoms is understood differently by different scientists.

Biological Classification

  • Kingdom Monera
  • Kingdom Protista
  • Kingdom Fungi
  • Kingdom Plantae
  • Kingdom Animalia
  • Virus, Viroids, Lichens and Mycorrhiza

History of Taxonomy

  • Aristotle is known as the Father of Biology & Zoology
  • Aristotle classified plants based on morphological character growth habit into herbs, shrubs and trees first.
  • Theophrastus is known as Father of ancient plant taxonomy and botany
  • Theophrastus classified the plant kingdom into four groups based on growth habit:
    • Trees
    • Shrubs
    • Under shrubs
    • Herbs
  • Carolus Linnaeus's real name was Carl Von Linne
  • He changed his name to Carolus Linnaeus based on his work in Latin
  • Linnaeus is known as Father of taxonomy, Father of plant taxonomy and Father of animal taxonomy, binomial system and classification science
  • Linnaeus introduced the Two Kingdom classification, grouping plants into Kingdom Plantae and animals into Kingdom Animalia based on the presence of a cell wall

Demerits of Two Kingdom Classification

  • Prokaryotes such as bacteria and blue-green algae, and eukaryotes such as fungi, mosses/bryophytes, fern/pteridophytes, gymnosperm, and angiosperm were placed in the same group: plants/plantae
  • The unifying characteristic of this kingdom was that all organisms included had a cell wall

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