Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification.

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Presentation transcript:

Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification related?

Classification  Textbook definition:  The process of grouping together things based on their similarities.  In Ms. Anderson’s words  Similar things grouped together In my wordsMy Drawing

Taxonomy  Textbook definition:  The scientific study of how living things are classified.  In Ms. Anderson’s words:  Study of similar things grouped together In my wordsMy Drawing

Binomial Nomenclature  Textbook definition:  The system for naming organisms in which each organism is given a unique, two part scientific name indicating its genus and species.  In Ms. Anderson’s words:  Two Names In my wordsMy Drawing

Genus  Textbook definition:  A classification grouping that consists of a number of similar, closely related species.  In Ms. Anderson’s words:  Similar, closely related In my wordsMy Drawing

Species  Textbook definition:  A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.  In Ms. Anderson’s words:  Very similar, can have fertile offspring In my wordsMy Drawing

Evolution  Textbook definition:  The process by which species gradually change over time.  In Ms. Anderson’s words:  Organisms changing over time. In my wordsMy Drawing

Scientific Names Italics or underline Genus - Capitalized Species - Lower Case  Perognathus californicus  Perognathus nelsoni  Perognathus spinatus Common Name: Pocket mouse

Classifying Organisms  Use the textbook pictures, textbook definitions, Ms. Anderson’s ideas to write definitions in your own words and to create a drawing to help you remember the definition.