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Classification of Living Things Learning About The Kingdoms Of Life.

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Presentation on theme: "Classification of Living Things Learning About The Kingdoms Of Life."— Presentation transcript:


2 Classification of Living Things Learning About The Kingdoms Of Life

3 What is Classification? The organization of objects using characteristics & attributes

4 Biological Classification Systems that name & organize living things in a meaningful way AKA taxonomy

5 History Aristotle 400 BC –Used 2 categories and subdivided according to how they moved Plants –Air, land, water Animals –Air, land, water Not a good system. Why????? Used for 2000 years

6 History 1600s began to classify according to similarities in form (structure) 1700s Carolus Linnaeus (Swedish) –Created system used today –Used system to ID all known plants & animals of his time –Developed a systematic naming process Simple, logical, easy

7 Old Naming System (pre-Linnaeus) Confusing Had up to 12 names Names for same animal/plant different in different countries & books

8 Modern System (post-Linnaeus) 2 functions –1 groups organisms according to basic characteristics –2 gives unique name to each organism Ranges from general (Kingdom) to specific (Species) Based on evolutionary relationships To be in same species, must be capable of interbreeding & produce fertile young –EX: horse + donkey = mule (not fertile) –EX: lion + tiger = liger/tigon (not fertile)

9 Think of it like this… Kingdom Phylum Class Order Family Genus Species

10 Kings Play Cards On Fat Green Stools Kingdom Phylum Class Order Family Genus Species Binomial Nomenclature- 2 name naming system –Bi two –Nom name –Clature system Uses Genus & species –EX: Homo sapiens AKA modern man

11 HOMEWORK Come up with a new mnemonic device to help remember the classification system –Kingdom, Phylum, Class, Order, Family, Genus, Species Make a picture to go with your saying Be creative Due Monday

12 The Five Kingdoms

13 Monerans Single celled (unicellular) Microscopic Nucleus does not have a membrane Lacks cell structures Absorbs food 10,000+ known species EX: blue-green algae, bacteria

14 Protists Unicellular; microscopic Nucleus has a membrane Sometimes found in chains or colonies Has cell structures 250,000+ known species Absorbs, ingests or photosynthesizes food EX: diatoms, amoeba, paramecium, euglena, flagellates, other protozoans

15 Fungi Multicellular Specialized cells & structures Absorbs food 100,000+ known species EX: mushrooms, yeast, mildew, mold

16 Plants Multicellular Photosynthesizes food Specialized cells and structures Rigid cell walls for support 250,000+ known species EX: trees, mosses, flowering plants, ferns

17 Animals Multicellular Specialized cells & structures, including tissues, organs, organ systems Own form of locomotion Heterotrophs No rigid cell walls 1,000,000+ known species

18 Animal Phyla Chordates –Vertebrates Have rigid backbone and skeletal system for support Located inside body –Invertebrates No rigid backbone or skeleton Some have external support called exoskeleton Exo- outside skeleton- support –EX: insects, spiders

19 Vertebrate Classes

20 Invertebrate Classes

21 Terms to Know Autotrophs make own food Heterotrophs get food from another source Photosynthesis using the suns energy to make own food Prokaryotic nucleus not enclosed; DNA flows freely in cell Eukaryotic has an enclosed nucleus (where DNA is stored) Locomotion means of movement; transportation

22 Terms to Know Sessile non- moving; stationary Motile mobile; ability to move Taxonomy another word for classification Nucleus cell structure that contains DNA for reproduction; enclosed with a membrane

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