1. Each Babbler is symbiotically bound to the Gorge, which leaves a genetic imprint that dictates the Babbler's life expectancy;

2. If Fragum uses symbiotically derived carbon, their tissues should show less depleted 13 C than other filter-feeding Cardiids

3. Slime mold farmers The symbiotically dependent Amoebas developed into an undeniably separate species, because attempts to interbreed with the parent stock would infect and kill them.

4. In Actinians the epithelio-muscular cells of the endoderm are crowded with yellow spherical bodies, which are unicellular plants or Algae, living symbiotically in the tissues of the zooid