classifying organisms why do scientists classify? what are the levels of classification? how are...

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

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Page 1: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

Classifying Organisms

Why do scientists classify?

What are the levels of classification?

How are taxonomic keys useful?

How are evolution and classification related?

Page 2: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

ClassificationTextbook definition:

The process of grouping together things based on their similarities.

In Ms. Anderson’s words Similar things grouped together

In my words My Drawing

Page 3: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

TaxonomyTextbook definition:

The scientific study of how living things are classified.

In Ms. Anderson’s words: Study of similar things grouped together

In my words My Drawing

Page 4: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

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 words My Drawing

Page 5: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

GenusTextbook definition:

A classification grouping that consists of a number of similar, closely related species.

In Ms. Anderson’s words: Similar, closely related

In my words My Drawing

Page 6: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

SpeciesTextbook 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 words My Drawing

Page 7: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

EvolutionTextbook definition:

The process by which species gradually change over time.

In Ms. Anderson’s words: Organisms changing over time.

In my words My Drawing

Page 8: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

Scientific NamesItalics or underlineGenus - Capitalized

Species - Lower Case

Perognathus californicus

Perognathus nelsoni

Perognathus spinatus

Common Name:

Pocket mouse

Page 9: Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification

Classifying OrganismsUse 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.