Figure 1. Single-celled protists (Chlamydomonas on left, Euglena on right)

Figure 2. Pandorina

Figure 3. Eudorina

Figure 4. Volvox colony with daughter colonies

Figure 5. Volvox detail showing flagella (arrows). See a movie HERE

Figure 6. Choanoflagelates

Figure 7. Choanocytes

Figure 8. A sponge

Figure 9. Coelenterates (Hydra on left, Aurelia on right).

Figure 12. An Ediacaran, Conulata. Click picture for more Ediacarans.

Figure 13. Acoels