Final_exam_2014_Study_guide

Examples include figure 317 sponge architecture figure

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Unformatted text preview: think visually about the kinds of animals distributed across these trees. For “Cnidaria” think of corals, sea anemones and sea jellies. For “Lophotrochozoa” think of a mollusk or an annelid (but remember that there are quite a few other groups in this clade that we ignored). Your textbook has good illustrations depicting body plans, developmental differences, life cycles, etc. Examples include Figure 31.7 (sponge architecture), Figure 31.19 (cnidarian life cycle), Figure 32.12 (annelids), Figure 32.14 (mollusc body plans), Figure 32.26 (hexapod structure), Figure 33.3 (echinoderm innovations), and Figure 33.6 (key features of chordates). Become familiar with these illustrations. Draw your own unlabeled diagrams and practice filling in the names of structures or features. Handling information Look for patterns in the data (distribution of characters) as an aid in remembering blocks of information. For example, the three protostome groups—Annelida, Mollusca and Arthropoda—that we talked about all have well developed nervous systems (with a brain and ventral nerve cord); one- way gut with regional specialization; and excretory organs of some kind. So, you don’t have to learn this separately for each group. And, of course, these t...
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