This week’s HW: Dichotomous Key Practice – DUE FRIDAY January 7th, 2014 DO NOW (Pg. 79 in journal) Cedillo Objective SWBAT explore how scientists identify and classify organisms. Prompt Using as much detail as possible, describe the leaves of the plant below. Magnolia virginiana (Sweet Bay) Reminders: --Write HW in agenda --New six weeks begins today --Voice Level 0 during Do Now This week’s HW: Dichotomous Key Practice – DUE FRIDAY
How can you use dichotomous keys to classify and identify organisms? January 7th, 2014 ESSENTIAL QUESTION: How can you use dichotomous keys to classify and identify organisms? OBJECTIVES: Classroom Expectation Reminders & Review Classifying Organisms Practice Dichotomous Key Two-Column Notes
Agenda Reminders WRITE IN AGENDA: January 7th, 2014 WRITE IN AGENDA: HW: Dichotomous Key Practice, Due Friday, January 10 Bring Journals by Monday, January 13 Reminder: ALL students required to have and USE agenda!
Classroom Expectations Jigsaw January 7th, 2014 VOICE LEVELS: Tables 1, 3, 5, and 7 Why do we use different voice levels 0-4? What are they? Give an example of when we would each voice level. CLASSWORK: Tables 2, 4, 6, and 8 How should independent work be completed differently than partner or group work? What would be similar about independent, partner, and group work?
Classifying Organisms Turn and Talk (Partner – Voice Level 1) Which external structures would you use to classify these organisms into two groups?
Classifying Organisms Copy in journal on page 80 Dichotomous Key - A tool used in plant or animal identification. Using two or more choices, organisms’ identities are determined through the process of eliminating characteristics that it does not have.
“The Key to Identification” Partner-read the article. What should our voice levels be? As you read, you will work with your partner to take two-column notes on page _____. Topic Details
This week’s HW: Dichotomous Key Practice – DUE FRIDAY January 8/9th, 2014 DO NOW (Pg. 79 in journal) Cedillo Objective SWBAT explore how scientists identify and classify organisms. Prompt Explain what external structures you might use to identify the two breeds of dogs (Canis lupus familiaris) below. Breed: Chihuahua Breed: Yellow Labrador Retriever Reminders: --Voice Level 0 during Do Now --Remember independent work expectations --New composition books due Monday This week’s HW: Dichotomous Key Practice – DUE FRIDAY
January 8/9, 2014 ESSENTIAL QUESTION: How do scientists use external features to classify and identify organisms? OBJECTIVES: 1. Create a biological diagram identifying major structures of a plant 2. Practice using observations to identify a species 3. Use a dichotomous key to identify a native Texas plant species
Finish Reading – POPCORN!! Finish reading “The Key to Identification” Popcorn Reading Rules: Read at least 3 sentences Pay attention! You can call on someone more than once but not if they were just reading before you (no ping-pong popcorn) Crash Course biology: Taxonomy
Tape Card on to Page 81 WRITE: Prediction: _____________________ Actual: _______________________ Using the checked external structures, what type of animal organism do you predict you have?
Animal Choices Determine which organism is represented by your observation card.
Answers
Answers
Observation Card Questions (Page 81) 1. Did you predict correctly? Why or why not? 2. How does observing an animal’s features help identify that animal? Using dichotomous keys
Dichotomous Key Example Domestic Horse Sea Lion Grebe Big-Eared Bat Goldfish Hummingbird Lizard Rattlesnake
Dichotomous Key Example 2
Dichotomous Key Example 3
Introduction to Biological Drawings: Plant Anatomy Plant features can be very complex and varied (different). With your table, discuss some of the differences in the leaves shown to the right.
Biological Diagram: Native Species January 8/9, 2014 Biological Diagram: Native Species Title the next page (82) in your composition book, “Biological Diagram” 2. Observe your specimen closely. 3. Create a biological drawing of your specimen. 4. Follow the dichotomous key to determine what species it is. “Biological Diagram” Do not copy Picture Pg .
Biological Drawing Rubric
Ball Moss Live Oak Cedar Elm Ashe Juniper
Examples of Biological Drawings – Plant Leaves
Examples of Biological Drawings – Plant & Roots
Examples of Biological Drawings – Flowering Plant
Biological Drawing – Feedback & Connection to Dichot. Keys Exchange journals with someone at your table. Give feedback to this person using the rubric 3 positives, 3 things they should work on next time Debrief: Why did we do this activity? What does it have to do with dichotomous keys?
Dichotomous Key Practice Work on dichotomous key practice for rest of class.
This week’s HW: Dichotomous Key Practice – DUE TODAY January 10th 2014 DO NOW (Pg. 79 in journal) Cedillo Objective SWBAT explore how scientists identify and classify organisms. Prompt What is a dichotomous key? Why do scientists use them? Reminders: --Voice Level 0 during Do Now --Remember independent work expectations --New composition books due Monday This week’s HW: Dichotomous Key Practice – DUE TODAY
Today ESSENTIAL QUESTION: January 10, 2014 ESSENTIAL QUESTION: How can you use dichotomous keys to classify and identify organisms? OBJECTIVES: Practice using dichotomous keys to identify alien species Reminder: Bring new Composition Book on Monday
Turn in Homework Seat A – Turn in Homework for table
Identifying Aliens Using your handout, follow the clues on the front in order to put the correct name of the alien species under its picture. Due at end of class! Practice Alien: I do, we do, you do