Classification

Session 2 - Classification

LI - WALT use and develop a simple classification system.

SC - WALT understand how all living things are classified.

Why do Scientists Classify?

Almost 2 million kinds of organisms on Earth Need to keep organized! (Easier to study!)

Classification Process of grouping things based on their similarities The science of classifying organisms is known as taxonomy Taxonomy Taxonomy, the science of naming, describing and classifying organisms.

Useful because: It is impossible to study every living organism from an individual level. Therefore, classification is necessary to facilitate easy study of organisms. Once classified, scientists will know a lot about an organism Why do Scientists Classify?

Carolus Linnaeus Carolus Linnaeus (1750s) – Father of TAXONOMY Devised naming system for organisms:

Binomial Nomenclature Binomial Nomenclature

Developed by Linnaeus Called binomial because two names are used. First name is genus, with first name being a capital. Second name is species, with no capital. Italics are used when the name is printed. The name is underlined if it is handwritten.

Levels of Classification -based on contributions of both Aristotle and Linnaeus

There are 8 levels of classification. Remember the first letter of this sentence:

Dr. King Philip Came Over For Good Spaghetti.

Eight classification groups of living things