Taxonomy and Classification of Living Things

11-02-18

Classify … Shmalsify
Clean this mess up…

 Aristotle 384-322 B.C.

 Two category System

 Plants & Animals

Levels of Classification

 Why classify organisms?

 Kingdom

 Phylum

 Class

 Order

 Family

 Genus

 Species

Humans:

• King

• Animalia

• Philip

• Chordata

• Came

• Mammalia

• Over

• Primates

• For

• Hominidae

• Great

• Homo

• Spaghetti

• Sapiens

1

11-02-18

Why are the
The Brown SquirrelWhat are mammals you just

other gave NOT part of examples of this order?
Kingdom (Animalia, or "animal") mammals? Phylum (Chordata, or "has a backbone")
Class (Mammalia, or "has a backbone and nurses its young")
Order (Rodentia, or "has a backbone, nurses its young, and has long, sharp front teeth)

 Family (Scuridae, or "has a backbone, nurses its young, has long, sharp front teeth, and has a bushy tail)

 Genus ( Tamiasciurus , or "has a backbone, nurses its young, has long, sharp front teeth, has a bushy tail, and climbs trees)

 Species ( hudsonicus , or "has a backbone, nurses its young, has long, sharp front teeth, has a bushy tail, and has brown fur on its back and white fur on its underparts)









 Binomial nomenclature

 Each organism is assigned a 2-part Latin name.  E.g.

Carl Linnaeus

 Castor canadesis

 beaver from canada

 Homo sapien?

 Taxonomy: The Classification of living organisms.  Dichotomous Keys

 A tool used to identify species based on their physical characteristics.

 Constructed as a series of choices (2 choices) leading to new branches of other choices, narrowing the organism down to a specific species. 2

11-02-18

Let s try!

 Alien Dichotomous Key

 Owl Pellets

Kingdom Archaebacteria

 Prokaryotic

 Heterotrophs

 Bacteria that live in extreme conditions

 e.g. Bacteria in volcanoes