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☼ Get your notebook off the shelf. ☼ Log into your netbooks and go to RecheScience.com ☼ Immediately begin your quick write for today. You need to write.

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Presentation on theme: "☼ Get your notebook off the shelf. ☼ Log into your netbooks and go to RecheScience.com ☼ Immediately begin your quick write for today. You need to write."— Presentation transcript:

1 ☼ Get your notebook off the shelf. ☼ Log into your netbooks and go to RecheScience.com ☼ Immediately begin your quick write for today. You need to write at least 3 sentences. ☼ You may keep your netbooks on if you would like to use LanSchool for your notes today. Today is April 14, 2014

2 Understanding Classification

3 Eubacteria Archaea (bacteria) Eukaryota All life is categorized in 3 domains. Domains are the broadest category. Domains are further classified getting more specific at each level. 1.Archaebacteria 2.Eubacteria 3.Protist 4.Fungi 5.Plant 6.Animal There are 6 kingdoms in modern classification.

4 Classification of Living Things There are 13 billion known species of organisms This is only 5% of all organisms that ever lived! New organisms are still being found and identified today.

5 What is Classification? Classification is the arrangement of organisms into orderly groups based on their similarities Classification is also known as taxonomy Taxonomists are scientists that identify and name organisms

6 Benefits of taxonomy Taxonomy has the benefit of classifying organisms accurately and uniformly by assigning scientifically based names. It prevents misnomers such as starfish and jellyfish that aren't really fish Uses same language (Latin or some Greek) for all names

7 Early Taxonomists 2000 years ago, Aristotle was the first taxonomist Aristotle divided organisms into plants & animals He subdivided them by their habitat ---land, sea, or air dwellers

8 John Ray Early Taxonomist, John Ray, a botanist, was the first to use Latin for naming plants His names were very long descriptions telling everything about the plant

9 Carolus Linnaeus1707 Carolus Linnaeus 1707 – 1778 18th century taxonomist Classified organisms by their structure Developed naming system still used today

10 Carolus Linnaeus Called the “Father of Taxonomy” Developed the modern system of naming known as binomial nomenclature Each organism has a two-word name (Genus & species)

11 Standardized Naming Binomial nomenclature uses Genus and species names Latin or Greek Italicized in print Capitalize genus, but NOT species Underline when writing Turdus migratorius

12 Rules for Naming Organisms The International Code for Binomial Nomenclature contains the rules for naming organisms All names must be approved by International Naming Congresses (International Zoological Congress) This prevents duplicate names

13 Hierarchy of Names There is a hierarchy of groups (taxa) from broadest to most specific Domain, Kingdom, Phylum, Class, Order, Family, Genus, species

14 Domains Broadest, most inclusive group Three domains Archaea and Eubacteria are unicellular prokaryotes (no nucleus or membrane- bound organelles) Eukarya are more complex and have a nucleus and membrane-bound organelles

15 3 Domains

16 Kingdoms

17 Archaea Archaea live in harsh environments and may represent the first cells to have evolved. Ancient life forms that still survive today Found in sewage treatment plants and thermal vents Live in areas without oxygen

18 Eubacteria Eubacteria, only some of which cause human diseases, are present in almost all habitats on Earth. Many bacteria are important environmentally and commercially. Eubacteria are found in intestines and help break down food

19 Domain Eukarya Domain Eukarya is Divided into Kingdoms  Protista (protozoans, algae…)  Fungi (mushrooms, yeasts …)  Plantae (multicellular plants)  Animalia (multicellular animals)

20 Kingdom Protista Most are unicellular Some are multicellular Some are autotrophic, while others are heterotrophic

21 Kingdom Fungi Multicellular (except yeast) Heterotrophs Decomposers

22 Kingdom Plantae Multicellular Autotrophic Absorb sunlight to make glucose – Photosynthesis Cell walls made of cellulose

23 Kingdom Animalia Multicellular Heterotrophs Feed on plants and/or animals

24 http://www.brainpop.com/scie nce/diversityoflife/sixkingdom s/

25 Credits M.Bregar (Dante C.S.S.) http://upload.wikimedia.org/wikipedia/commo ns/thumb/7/7d/Haeckel_Siphoneae.jpg/250p x- http://www.oum.ox.ac.uk/thezone/animals/an imalid/images/class7.gif http://www.authorstream.com/Presentation/ dantescience-287709-classification-living- things-nomeclature-education-ppt- powerpoint/

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