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Chapter 4: The Organization of Life Section 3: The Diversity of Living Things.

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Presentation on theme: "Chapter 4: The Organization of Life Section 3: The Diversity of Living Things."— Presentation transcript:

1 Chapter 4: The Organization of Life Section 3: The Diversity of Living Things

2 Domains  Taxonomy is a branch of science dedicated to the classification of living things.  Domains are the largest taxonomic groups.  The three Domains are:  Archaeabacteria  Eubacteria  Eukarya

3 Kingdoms  Kingdoms are the second largest taxonomic group.  Archaebacteria has only one kingdom called Archaebacteria.  Eubacteria has only one kingdom called Bacteria.  Eukarya has four kingdoms:  Animalia, Plantae, Fungi, Protista

4 Domains and Kingdoms

5 Archaebacteria  Unicellular  Cells lack Nucleus  Reproduce by dividing in half.  Found in extreme environments.  Hot Springs  Salt Lakes

6 Eubacteria  Bacteria  Unicellular  Cells lack Nucleus  Reproduce by dividing in half.  Very common, found everywhere.

7 Eukarya  Organisms in Eukarya can be:  Unicellular or  Multicellular  Their cells contain a Nucleus.  Can reproduce:  Sexually or  Asexually

8 Eukarya  Animalia  Multicellular  Cells have Nucleus  No cell walls  Ingest their food.  Live on land and water.

9 Eukarya  Plantae  Multicellular  Cells have Nucleus  Have Cell Walls  Make their own food through Photosynthesis.

10 Eukarya  Fungi  Multicellular  Cell have Nucleus  Have Cell Walls  Absorb food through their body surface.  Usually from dead organisms.

11 Eukarya  Protista  Can be Multicellular but most are Unicellular.  Most live in water.  Some have animal like behavior.  Ingest food.  Others have plant like behavior.  Use Photosynthesis


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