Uneb uace biology paper one and two 2005

Uneb uace biology paper one and two 2005

Write the letter corresponding to the best answer in the box provided.
1. Which one of the following is not a reason for classifying a mouse and a frog in one phylum? Presence of
a. Pharungealgrill slits
b. Post-anal trail
c. Notochord
d. Endoskeleton