This is not really an "essay" but if you take a look at the Invertebrate Zoology Take home exam you'll see the instructions. Just to note: (problem of the PDA + the search for the urbilaterian ancestor are for question 1) (question 2 is based on the cteno

 This is not really an "essay" but if you take a look at the Invertebrate Zoology Take home exam you'll see the instructions. Just to note: (problem of the PDA + the search for the urbilaterian ancestor are for question 1) (question 2 is based on the ctenophores) (question 3 is based on the reading Chimera theory of Mesozoan evolution) I'm not sure how many pages this may take so I wrote 3 pages because its all mini questions. Answers should be from the reading and not from google which is emphasized in the instructions, also should be cited