An animal with the following body wall organization will not have:
1. Cephalization
2. Three germ layers
3. Bilateral symmetry
4. A complete digestive tract
Which of the following Phyla are included in Enterozoa?
| 1. | Annelida, Mollusca, Porifera |
| 2. | Echinodermata, Hemichordata, Porifera |
| 3. | Mollusca, Arthropoda, Hemichordata |
| 4. | Porifera, Mollusca, Arthropoda |
Identify the following diagrams and these represent:

| 1. | (a) radial symmetry, (b) bilateral symmetry |
| 2. | (a) bilateral symmetry, (b) radial symmetry |
| 3. | (a) asymmetrical, (b) radial symmetry |
| 4. | (a) bilateral symmetry, (b) asymmetrical |