1. Dichotomous Keys Review
7th Grade Science

2. Carolus Linneaus Father of Taxonomy Latinized his name from Carl Linne
Created the classification system based on similarities in structure

3. Are you hungry??? Dear King Philip Came Over For Good Spaghetti Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

4. Levels of Organization
The species level of organization contains only one type of organism.
The smaller the level of organization, the more closely organisms are related to one another.
There are three domains: Archaea, Bacteria, and Eukarya.

5. Dichotomous Keys
A dichotomous key is used by scientists to identify organism.
They always give two options to help identify an organism.
At each step of the process of using the key, the user is given two choices; each alternative leads to another question until the item is identified.

6. Dichotomous Keys
A method for determining the identity of something (like the name of a butterfly, a plant, a lichen, or a rock) by going through a series of choices that leads the user to the correct name of the item.
A dichotomous key is a listing of characteristics, such as structure and behavior, organized in such a way that an organism can be identified or classified.

7. Aristotle—who is this dude?
The Greek philosopher Aristotle was the first person to scientifically classify living things.

8. Vocab, anyone? Taxonomy The science of classifying Kingdom
Second largest group of an organism classification; located between domain and phylum
Scientific name
The genus and species name of an organism; for example—Aplondonita Rufa, mountain beaver.

9. Vocab, anyone?
Abdomen
The back end of the insect that contains the internal organs
Species
A group of similar organisms, whose members can mate with one another and produce fertile offspring
Genus
Division of organism classification below family and above species

10. Vocab, anyone?
Order
Division of organism classification below class and above family, as in Carnivora, mammals that feed on other animals
Family
Division of organism classification below order and above genus
Domain
Largest division of organism classification; above kingdom