Cladogram – What is it? • An evolutionary family tree • Used to be based on physical appearance • Now based on similar DNA sequences, proteins, or traits
Cladograms show… • Probable relationships • Probable sequence of origins • Shared derived characters
Introduction • Here are the traits of transportation and how they have developed over time. Airplane Car Motorcycle Wings Bike Passengers enclosed Foot Motor Wheels Put the following modes of transportation in the cladogram where they belong based on their structure. Car, Airplane, Bike, Motorcycle, Walking by Foot
Making a Cladogram • To make a cladogram, you must first look at the animals you are studying and establish characteristics that they share and ones that are unique to each group. • For the animals on the table, indicate whether the characteristic is present or not. • Based on that chart, create a cladogram.
Make Your Cladogram Human Tiger Frog Opposable Thumbs Traits Catfish Hair Slug Legs Backbone Cells Time