7. (4 points). The percent contribution of the sum of squares for the BC interaction is

5. (4 points). The estimate of the ABCD effect is

22. Consider the factorial design in question 21. Suppose that the center run observations were 70, 60, 75, and 55.  The pure error sum of squares is

What type of body cavity does this animal have?  

9. In a 2k factorial design, the expected value of a significant factor effect is non-zero.

What is a possible function of the jointed appendages of arthropods?

Which of the following are characteristics of Parazoans? Select all correct answers.  

Which of the following are not protostomes? Select all correct answers.

Name structure A [A] Name structure B [B] Name structure C [C] Name structure D [D]

Two features shared by all vertebrates are a vertebral column and a [thing1]. The key feature that separates members of the Class Chondrichthyes and the Agnatha is a [thing2]. The key feature that separates the Osteichthyes and the Chondrichthyes is a [thing3]