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Classification.

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Presentation on theme: "Classification."— Presentation transcript:

1 Classification

2 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

3 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

4 Define taxonomy The branch of science that is involved in the classification of organisms

5 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

6 Describe and use the binomial naming system, explain how this system was devised

7 Describe and use the binomial naming system, explain how this system was devised
The binomial naming system was first developed by Carolus Linnaeus (1707–1778), in order to make species recognition easier. It identify organisms using the Genus and species name and should either be underlined or written in italics

8 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

9 Why is classification important

10 Why is classification important
It helps with the identification of organisms It allows us to study relationships between organisms It provides information about plants and animals from specific geographical locations It allows us to study evolutionary ancestry

11 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

12 The three domains Archaea Bacteria (Eubacteria) Eukarya
Originally considered as bacteria, however separated due having a different cell wall structure and differing metabolism A diverse range of prokaryotes that includes extremophiles Example Aeropyrum pernix Single celled prokaryote lacking in distinctive organelles Example E coli Cells with chromosomes surrounded by a nuclear membrane and possessing distinctive organelles

13 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

14 Taxonomic groups K P C O F G S

15 Taxonomic groups Kingdom- the second largest taxonomic group Phylum
Class Order Family Genus Species

16 Taxonomic groups Kingdom Phylum Class Order Family Genus Species

17 Taxonomic groups Kingdom Phylum Class Order Family Genus Species

18 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

19 Common origins Organisms are classified according to their similarities and therefore organisms in the same genus must have a similar evolutionary pathway

20 We get it wrong sometimes
With the increased use of DNA profiling we can now classify organisms on a cellular level. Due to this we have discovered that scientists have misclassified several organisms

21 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

22 Problems with classification
Ornithorhynchus paradoxus or Ornithorhynchus anatinus 9 August 2019

23 9 August 2019

24 Classification of biodiversity
Define taxonomy Describe and use the binomial naming system, explain how this system was devised Explain why it is important to be able to classify newly discovered species using the binomial system State the three domains of classification Identify and use the principle taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species All groups with the same genus have a common evolutionary pathway (ancestral species) Explain why some organisms have been reclassified from their original taxonomic groups State that natural classifications allow scientist to predict the characteristics of an organism

25 Predicting behaviour Once we have classified an organism we can then use it to predict the characteristics of another organism from the same genus. For example we can predict the behavior of an extinct organism by studying the behavior and characteristics of a closely related organism.


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