1. HAPPY FRIDAY Bellwork : Write “Study for Quiz” and bring me your bellwork so I can sign it.

2. Taxonomy Notecards Pre-AP Biology Due Monday (2/2/15) Taxonomy Binomial Nomenclature Kingdom Phylum Class Order Family Genus Species Cladogram Dichotomous Key Kingdom Archaebacteria Kingdom Eubacteria Kingdom Protista Kingdom Fungi Kingdom Plantae Kingdom Animalia Unicellular Multicellular Heterotrophic Autotrophic Extremophile

3. QUIZ – You have 10 Minutes

4. Essential Question: How do dichotomous keys help identify organisms? Standard: 8B – Categorize organisms based on similarities and differences among groups.

5. Scientists use dichotomous keys and field guides to help people identify organisms Dichotomous keys – asks a series of questions that can be answered in only two ways When using a dichotomous key, each answer leads to another question which will eventually narrow down to the identification of the item

6. Dichotomous Keys: TEKS 7.11A A dichotomous key

7. Dichotomous Keys: TEKS 7.11A Whose shoes? A class dichotomous key

8. Dichotomous Keys: TEKS 7.11A HW: “Make A Key” on Page 48 of your I.A.N. You will create your own dichotomous key using 20 things you find in your….. ClosetGarage Backpack/Purse RoomBackyardLiving Room Some hints for writing a dichotomous key: Write the part name first, then the descriptive term (for example “Tail short and straight,” not “Short and straight tail”). Start both choices in a pair with the same word. Use measurements rather than vague terms like “big” and “little.” Use characteristics that are true of all individuals in a group (for example, use fur color only if all individuals have the same color markings).