1. Biological Classification Similarities in Living Things
Drill 5/7
Read sections A – C of the “Making Cladograms – Background & Procedures”

2. Organisms are Classified by their Similarities and Differences
Phylogeny is how groups of organisms are related to each other
Homologous structures are alike in basic structure and origin (like flippers and wings)
A cladogram or phylogenetic tree is a diagram that shows these relationships

4. Cladogram

6. Making a Cladogram
We will be making a cladogram that shows how 7 different organisms are related to one another based on their characteristics

7. The animals

8. The Characteristics
Paired Appendages
Canine Teeth
Mammary Glands

9. Amnion
Paired Legs
Vertebral
Column

10. Foramen Magnum