Classifying Organisms

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Presentation transcript:

Classifying Organisms Easier to Study! Classification The process of grouping thing based on similarities. Taxonomy The scientific study of how living things are classified

Naming Systems Aristotle Carolus Linnaeus 1707-1778 Carolus Linnaeus (Carl von Linné) Naming Systems Carolus Linnaeus 1707-1778 “Father of Taxonomy” Gave us system we use now Binomial Nomenclature two names Aristotle 5AD---1st to Classify Plants VS Animals herbs-shrubs-trees land-air-sea

Binomial Nomenclature 2 Names Genus and Species Scientific Name Written in italics. First word is capitalized and the second is not. Homo sapiens If handwriting the scientific name: Underline to show italics.

Genus Species Classification grouping that contains similar, closely related organisms Species Group of similar organisms that can mate with each other and produce offspring that can also mate and Reproduce.

Most biologists classify organisms into 8 levels. Broad to Specific More levels share more have in common

8 Classification Levels Domain Broad to Specific Kingdoms Plyla Classes Order Families Genus Species Daily King Phillip Called Orders For General Spivey.

number of cells in their bodies. Domains Archaea Eukarya Bacteria Ancient Found in Extreme Environments Unicellular Prokaryotes/no nucleus Found everywhere Autotrophs & Heterotrophs Prokaryotes---lack nucleus Found Everywhere Autotrophs & Heterotrophs Eukaryotes---Nucleus Placed into domains and kingdoms based on cell type, ability to make food, number of cells in their bodies.

Dense area in a cell that contains nucleic acids---chemical instructions that direct cell’s activities Nucleus Dense area in cell containing nucleic acids---Chemical instructions that directs cells activities. Prokaryotes---cells with no nucleus Eukaryotes---Cells with Nucleus YOU

Domain Eukarya Fungi Plants Animals Protists Eukaryotic organism---cannot be classified as animal, plant or fungus---most unicellular---few multicellular—some autotrophs other heterotrophs. Protists Fungi Multicellular eukaryotes. All heterotrophs Plants Multicellular eukaryotes—most live on land----autotrophs---provide food for heterotrophs Animals Multicellular eukaryotes—live everywhere---hetertrophs

What is your scientific Name? Homo sapiens

Are you an animal? YES!!!

Are you made of prokaryotic or eukaryotic cells? Cells of your body have a nucleus

Study Notes---Be Ready for Test!!!