Classification Evolution Unit. The branch of science where scientists classify organisms and assign...

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Classification Evolution Unit

Transcript of Classification Evolution Unit. The branch of science where scientists classify organisms and assign...

Page 1: Classification Evolution Unit.  The branch of science where scientists classify organisms and assign each a universally accepted name.

ClassificationEvolution Unit

Page 2: Classification Evolution Unit.  The branch of science where scientists classify organisms and assign each a universally accepted name.

Taxonomy

The branch of science where scientists classify organisms and assign each a universally accepted name.

Page 3: Classification Evolution Unit.  The branch of science where scientists classify organisms and assign each a universally accepted name.

    •A two name system for writing scientific names.•The genus name is written first.

• (always Capitalized)•The species name is written second.• (never capitalized)

•Both words are italicized if typed or underlined if hand written. • Example: Felis concolor or F. concolor

Which is the genus? The species?    

Bin

om

ial

Nom

en

cla

ture

Page 4: Classification Evolution Unit.  The branch of science where scientists classify organisms and assign each a universally accepted name.

Phylogeny

The evolutionary history of an organism.

Page 5: Classification Evolution Unit.  The branch of science where scientists classify organisms and assign each a universally accepted name.

phylogenetic Tree

A family tree that shows a hypothesis about the evolutionary relationships thought to exist among groups of organisms.

Page 6: Classification Evolution Unit.  The branch of science where scientists classify organisms and assign each a universally accepted name.

Dichotomous Key

A key used to identify an unknown organism.

The user is presented with a sequence of choices between two statements, based on characteristics of the organism. By always making the correct choice, the name of the organism will be revealed.

Page 7: Classification Evolution Unit.  The branch of science where scientists classify organisms and assign each a universally accepted name.