Q- Discuss the evolutionary innovations for following Phyla: Mollusca, Annelida, Nematoda, Arthropoda, and Chordata (do not discuss Subphylum Vertebrata). Unless you are asked for a one-word answer, be sure to describe and discuss the following for each phylum. Please organize your answer by phylum, not by each innovation. There will be a 15 pt. Penalty if it is not organized this way, Points in parenthesis indicates how much each section is worth per phylum.
a. Level of organizational complexity (Only need to state which level. No need to describe) (1 pt.)
b. Protostome/Deuterostome (one-word answer) (1 pt.)
c. Cleavage type and development (one-word answer for each) (1 pt.)
d. Germ layers (one-word answer) (1 pt.)
e. Body cavity (one-word answer) (1 pt.)
f. Type of gut (one-word answer) (1 pt.)
g. Symmetry & cephalization (presence/absence, and type if present) – include the advantages of any symmetry or cephalization; if cephalization occurs, include a description of the nervous “system” (3 pts.)
h. Muscular “system” and its function, if present. If absent, just indicate that it is absent (3 pts)
i. Segmentation/Metamerism (3 pts)
J. Ecological relationships (3 pts.)
