1. Hey Ninjas…it’s Wednesday!
Today you will need: Writing utensil, Journal, Handouts from front.
Bellwork for today:
Set up Journals:
Page:_____
Title: Cladograms
Essential Question: How is a cladogram constructed and what does it illustrate?

2. Due this week: Notecards due Friday (word and definition)
Last day to turn in Test Analysis is Friday
Next Journal Check will be Friday

3. Standard B8.B: Categorize organisms using a hierarchical classification system based on similarities and differences shared among groups.

4. What have we been talking about in class lately?

5. Use the cladogram homework sheet to follow along with this video!

6. Cladograms = a diagram that we use to show phylogenies A phylogeny = evolutionary history Cladograms: -show relationships between organisms -are assembled using evidences of evolution -can be changed with new data

7. Cladograms illustrate evolutionary relationships.
Clade: A group of organisms, such as a species, whose members share homologous features derived from a common ancestor.

8. Speciation: formation of two new species from oneB C D E F
Clade or
lineage
TIME
The American Heritage® Dictionary of the English Language, Third Edition copyright © 1992 by Houghton Mifflin Company. Electronic version licensed from INSO Corporation; further reproduction and distribution restricted in accordance with the Copyright Law of the United States. All rights reserved.
Speciation: formation of two
new species from one

9. Divergent evolution can lead to speciation.
Divergent evolution: evolution toward different traits in closely related species.
Divergent evolution can lead to speciation.
kit fox
red fox
ancestor

10. OLDEST TO MOST RECENT HANDOUT PRACTICE PART 1
*new traits develop in this direction
Direction of Time…

11. Example 1 After which animal did protection from the elements arise?
Branch points indicate a common
ancestor
Direction of time
After which animal did protection from the elements arise?

12. Example 2
After which animal did lungs arise?

13. With your partner, discuss as many traits you can think of for each organism in its column. How are they alike? How are they different?
(Write down at least 5 traits for each organism on the left page of notes)
Slug
Catfish
Frog
Tiger
Human

14. Create Your Own Cladogram
For the animals on the table, indicate whether the characteristic is present or not. Based on that chart, create a cladogram like the one pictured above.
Cells
Backbone
Legs
Hair
Opposable Thumbs
Slug
Catfish
Frog
Tiger
Human
*Draw this table in your notes

15. Cells
Backbone
Legs
Hair
Opposable Thumbs
Slug  X
Catfish
Frog
Tiger
Human

16. Cells Backbone Legs Hair Opposable Thumbs Slug X Catfish Frog Tiger
Cells
Backbone
Legs
Hair
Opposable Thumbs
Slug  X
Catfish X
Frog
Tiger
Human

17. Cells Backbone Legs Hair Opposable Thumbs Slug X Catfish Frog X Tiger
Cells
Backbone
Legs
Hair
Opposable Thumbs
Slug  X
Catfish X
Frog X 
Tiger
Human

18. Cells Backbone Legs Hair Opposable Thumbs Slug X Catfish Frog X Tiger
Cells
Backbone
Legs
Hair
Opposable Thumbs
Slug  X
Catfish X
Frog X 
Tiger
Human

19. Cells Backbone Legs Hair Opposable Thumbs Slug X Catfish Frog X Tiger
Cells
Backbone
Legs
Hair
Opposable Thumbs
Slug  X
Catfish X
Frog X 
Tiger
Human

21. Transportation Cladogram

22. YOU HAVE THE REST OF CLASS TO FINISH THE HANDOUT.
WHATEVER IS NOT FINISHED IS HOMEWORK
INDEPENDENT WORK CHAMPS
AT POINT OF CONFUSION
YOU MAY ASK A PARTNER
YOU MAY ASK ME