Archaezoa 。No mitochondria Flagella 。Multiple flagella 。Giardia lamblia Trichomonas vaginalis Undulating membrane (no cyst stage) Axostyle (b)Trichomonas vaginalis (c)Giardi lamblla (d)Giardialamblia cyst Figure 12.17b-d• No mitochondria • Multiple flagella • Giardia lamblia • Trichomonas vaginalis (no cyst stage) Archaezoa Figure 12.17b-d