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4.3 Classification & Evolution > Biological classification 4.3.1 > Flashcards

Biological classification 4.3.1 Flashcards

1
Q

What are the rankings of taxonomy?

A

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

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2
Q

Define classification

A

The process of sorting organisms into groups based on their characteristics

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3
Q

What is the scientific study of classification called?

A

Taxonomy

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4
Q

Why classify?

A
  • Help see the relationships between species
  • Make the study of living things more manageable
  • Make it easier to identify organisms
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5
Q

Is their overlap in taxonomic levels?

A

No

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6
Q

What is the basic unit of classification?

A

Species

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7
Q

What are organisms divided into groups based upon?

A

Similarities, differences, and evolutionary history (phylogeny)

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8
Q

Describe domain

A

Highest taxonomic rank
Archaea, Eubacteria, Eukaryote

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9
Q

What are the 3 domains?

A

Archaea, Eubacteria, Eukaryotes

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10
Q

Describe the 5 kingdoms

A

Traditionally 5 kingdoms - plantae, Animalia, fungi, protoctista, prokaryote

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11
Q

Describe phylum

A

Groups organisms according to body plan (backbone or not etc.)

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12
Q

Describe class

A

Groups organisms to do with general trait (number of legs etc.)

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13
Q

Describe order

A

Groups according to organisms nature (carnivore/herbivore)

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14
Q

Describe family

A

Groups of similar genera, based on reproductive characteristics

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15
Q

Describe genus

A

Groups of closely related species

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16
Q

Describe species

A

A group of organisms that can interbreed to produce fertile offspring

17
Q

What does the scientific name consist of?

A

Two latin words (genus and species)

18
Q

What is the system of naming a species called?

A

A binomial system

19
Q

Give an example of a binomial naming system

A

Cats
- Panthera Leo - lion
- Panthera tigris - tiger

20
Q

Why can’t we just use common names when scientifically naming a species?

A
  • The same organism may have completely different common names in different parts of one country
  • Different common names are used in different countries

4.3 Classification & Evolution (8 decks)

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