1. What is the importance of classifying things? It makes it easier … To organize To identify To easily communicate with others

2. What is Classification? Classification Classification is placing things into categories based on similar characteristics Taxonomy Taxonomy is the science of classifying organisms.

3. Aristotle ( 384 - 322 B.C.) Greek philosopher and naturalist 1 st to classify organisms Too simple of a classification system to be effective Two kingdoms: Plants or Animals

4. Carolus Linneus ( 1707-1798) each species had a unique form and could be classified by some of its key characteristics (which now includes DNA) organized life in a ladder- like hierarchy, with plants on the bottom, animals in the middle, and humans on top

5. 7 Taxa of Classification – categories of classification; many smaller taxa are placed under the larger category above it Kingdom- very general; most diverse; most inclusive Species- most specific; least diverse; most exclusive DOMAINKINGDOMPHYLUMCLASSORDERFAMILYGENUSSPECIES

6. How Can You Remember the 7 Taxon levels? KPCOFGSK ing P hilip C ame O ver F or G ood S paghetti KPCOFGSK ids P lay C hess O ver F avorite G ooey S nacks KPCOFGSK atie P lease C ome O ver F or G inger S naps Can you come up with your own pneumonic? KPCOFGSK ? P ? C ? O ? F ? G ? S ?

7. Grizzly bearBlack bear Giant panda Red fox Abert squirrel Coral snake Sea star KINGDOM Animalia PHYLUM Chordata CLASS Mammalia ORDER Carnivora FAMILY Ursidae GENUS Ursus SPECIES Ursus arctos

8. Carolus Linnaeus (1707 – 1778 A.D.) BINOMIAL NOMENCLATURE 1.1732, came up with the universal 2 word-naming system called BINOMIAL NOMENCLATURE LATIN 2.Based on the dead language called LATIN GENUS SPECIES 3.Each organism has a GENUS and SPECIES name 4.It is the system still used today

9. Binomial Nomenclature – Linneaus’ two-word naming system  GENUS  GENUS is - Capitalized - Written 1 st - can be underlined or italicized (not both)  SPECIES is - Lowercase - Written 2 nd - can be underlined or italicized (not both) Panthera leoLion Drosophila melanogaster Fruit fly Canis lupusWolf Do you know the scientific name for humans? That’s right! Homo sapiens

10. An identification key that contains pairs of contrasting descriptions is called a Dichotomous Key. How To Use a Dichotomous Key 1. a. Insect has wings ………. Go to 2 b. Insect has no wings…….. Go to 9 2. a. Insect has 2 wings …….. Go to 3 b. Insect has 4 wings …….. Go to 12 3. a. Wings are of equal size ….. Apis mellifera (honeybee) b. Wings are of unequal size …. Go to 5