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Last Name First Name
Class Period
Which organism is the most closely related to organism D?
This refers to the trait that is shared by all organisms in this cladogram. Node #1 is the trait
Node #4 referes to what trait in all organisms above it
Node #5 refers to what trait in all organisms above it
Node #6 refers to what trait in all organisms above it
2. How many traits does dinosaur F share with dinosaur C?
How many traits does dinosaur F share with dinosaur D?
How many traits does diinosaur F share with dinosaur E?
3. Dinosaurs A and B form a grouping called a clade. The dinosaurs A, B, and C form another clade. What derived trait is shared only by the A and B clade? (must type it accurately to get credit)
What derived trait is shared only by the A, B, and C clade?
What derived trait is shared only by the D, E, F, and G clade?
4. Traits that evolved very early, such as the hole in the hip socket, are called primitive traits. The traits that evolved later, such as a grasping hand, are called derived traits. Are primitive traits typical of broader or smaller clades?
Give an example by giving the letters of a clade:
Are derived traits typical of broader or smaller clades?
Give an example by giving the letters of a clade: (Select only one of the two possible smallest clades for your answer.)