What Did T. rex Taste Like?

Name __________________________________________

Class _______________________ Date _______________

Directions: Please answer each of the following questions.

1. What is a cladogram?

2. Draw a cladogram with a frog, cow and horse correctly placed.

3. Please circle the answer that best completes this statement: A "common ancestor" is:

  1. one that is very commonly seen in the fossil record.
  2. one that is shared by two or more organisms.
  3. one that has no distinguishing features and is therefore very "common."

4. Read the following statements then answer the question below.

  1. All organisms inherit their features from their ancestors.
  2. Organisms resemble their most recent ancestors more closely than distant ancestors.
  3. Over time evolution occurs and new features appear.

Which of these statements are accurate?

  1. A and C.
  2. B and C.
  3. All of the above.
  4. None of the above.

5. Examine the following diagram and the statements that follow.



  1. Crocodiles are more closely related to squirrels than to frippities.
  2. Frippities share a more recent ancestor with Triceratops than with Pigeons.
  3. Frippities probably laid eggs.
  4. All of these animals share the same ancestor.

Which of the statements are accurate?

  1. A and C.
  2. B and D.
  3. C and D.
  4. A, B, C, and D.