1. 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

2. 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

3. 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!

4. 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?

5. Classifying Organisms
Turn and Talk (Partner – Voice Level 1)
Which external structures would you use to classify these organisms into two groups?

6. 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.

7. “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

8. 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

9. 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

10. 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

11. Tape Card on to Page 81 WRITE: Prediction: _____________________
Actual: _______________________
Using the checked external structures, what type of animal organism do you predict you have?

12. Animal Choices
Determine which organism is represented by your observation card.

13. Answers

14. Answers

15. 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

16. Dichotomous Key Example
Domestic Horse
Sea Lion
Grebe
Big-Eared Bat
Goldfish
Hummingbird
Lizard
Rattlesnake

17. Dichotomous Key Example 2

18. Dichotomous Key Example 3

19. 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.

20. 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 .

21. Biological Drawing Rubric

22. Ball Moss
Live Oak
Cedar Elm
Ashe Juniper

23. Examples of Biological Drawings – Plant Leaves

24. Examples of Biological Drawings – Plant & Roots

25. Examples of Biological Drawings – Flowering Plant

26. 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?

27. Dichotomous Key Practice
Work on dichotomous key practice for rest of class.

28. 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

29. 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

30. Turn in Homework
Seat A – Turn in Homework for table

31. 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